CN218592214U

CN218592214U - Welding fixture

Info

Publication number: CN218592214U
Application number: CN202223046415.1U
Authority: CN
Inventors: 李鉴远; 向劲军; 姚强; 郭玉良
Original assignee: Kunshan Ruixue Machinery Co ltd
Current assignee: Kunshan Ruixue Machinery Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-03-10
Anticipated expiration: 2032-11-16

Abstract

The utility model relates to an anchor clamps technical field provides a welding jig, including objective table and a fixture. The object stage is used for supporting a workpiece to be processed; the first clamping mechanism comprises a first movable clamping assembly, the first movable clamping assembly comprises a first pneumatic piece and a limiting rod, the first pneumatic piece is located on one surface, back to the workpiece, of the objective table and fixed with the objective table, the first pneumatic piece comprises a telescopic portion, one end of the limiting rod is hinged to the telescopic portion, the other end of the limiting rod is provided with a butting portion, the butting portion penetrates through the objective table, the middle portion of the limiting rod is hinged to the objective table, and the telescopic portion drives the butting portion to be close to or far away from the workpiece to be machined. So set up, set up first pneumatic component in the objective table back, through the connecting rod structure, control butt portion with treat the butt/keep away from of machined part, reduced and treated the space around the machined part and taken up.

Description

Welding fixture

Technical Field

The utility model relates to an anchor clamps technical field especially relates to welding jig.

Background

With the development of numerical control technology and robot technology, since the automatic welding robot was used for production in the 60 s, the technology thereof has become mature day by day, and compared with manual welding, the welding quality is stable and the operation efficiency is high.

The general complete welding equipment comprises a welding robot and a welding fixture, wherein a workpiece to be machined is placed on the welding fixture for fixing through a feeding structure, and then welding is carried out through the welding robot. In order to cooperate the high efficiency work of welding robot, require welding jig to realize the location fast, conveniently take.

The existing clamp generally adopts a pneumatic fixing assembly, and the clamp block is driven by a pneumatic driving piece to abut against a workpiece to be machined so as to be fixed.

However, in order to ensure the stable abutting effect, generally, the pneumatic driving piece and the workpiece to be machined are located on the same horizontal plane, so that the acting force of the pneumatic driving piece on the clamping block and the acting force of the clamping block on the workpiece to be machined are located on the same straight line. So design, when treating the machined part to the structure is complicated, need a plurality of pneumatic fixed subassemblies to fix, lead to on the objective table, pneumatic fixed subassembly with treat that the arrangement of machined part is intensive, do not have sufficient space and be used for welding the whole welding angle of emphasis, influence subsequent welding work.

Therefore, a welding fixture is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a welding jig can reduce and treat that the space around the machined part occupies.

To achieve the purpose, the utility model adopts the following technical proposal:

welding jig includes:

the objective table is used for supporting a workpiece to be machined;

the first clamping mechanism comprises a first movable clamping assembly, the first movable clamping assembly comprises a first pneumatic part and a limiting rod, the first pneumatic part is located on one surface, back to the workpiece to be machined, of the objective table and fixed with the objective table, the first pneumatic part comprises a telescopic portion, one end of the limiting rod is hinged to the telescopic portion, the other end of the limiting rod is provided with a butting portion, the butting portion penetrates through the objective table, the middle portion of the limiting rod is hinged to the objective table, and the telescopic portion drives the butting portion to be close to or away from the workpiece to be machined.

As a preferable mode of the welding jig, the abutting portion is provided with an abutting piece for increasing an abutting area of the abutting portion with the workpiece to be processed.

As a preferred technical solution of the welding jig, the objective table is provided with an avoiding hole, and the avoiding hole faces a position to be processed of the workpiece to be processed.

As a preferred technical scheme of above-mentioned welding jig, still include the machine of shifting, above-mentioned machine of shifting includes base and two rotation portions, and two above-mentioned rotation portions rotate with above-mentioned base and are connected, and above-mentioned objective table is fixed with above-mentioned rotation portion.

As a preferable technical solution of the welding jig, the positioner further includes a balancing member fixed to the base for increasing a contact area between the base and the ground.

In a preferred embodiment of the welding jig, a support beam is provided between the two rotating portions, and the support beam is fixed to the bottom of the stage.

As a preferable technical solution of the welding fixture, the first clamping mechanism includes two first movable clamping assemblies, the two first movable clamping assemblies are respectively located at two sides of the workpiece to be processed,

or the first movable clamping assembly and a fixing piece are fixed on the objective table, and the fixing piece is positioned on the other side of the workpiece to be processed relative to the first movable clamping assembly.

In a preferred embodiment of the welding jig, a reinforcing rib is provided at a position where the fixture is connected to the stage.

As a preferable technical solution of the welding jig, the welding jig further comprises a second clamping mechanism, the second clamping mechanism comprises a support and a pressing sheet, the support is fixed with the objective table, the pressing sheet is rotatably connected with the support, and the workpiece to be machined is located between the pressing sheet and the objective table.

As a preferable aspect of the welding jig, the first clamping mechanism further includes a second movable clamping assembly, the second movable clamping assembly includes a second pneumatic element, the second pneumatic element and the workpiece to be processed are located on the same plane of the stage, and the second pneumatic element includes a second telescopic portion, and the second telescopic portion is capable of abutting against the workpiece to be processed.

The utility model discloses beneficial effect:

the object stage provides fixed support for waiting to process the work piece, and first removal centre gripping subassembly sets up first pneumatic part in the back of object stage, reduces and occupies the positive space of object stage, and is articulated with first pars contractilis and object stage respectively through the gag lever post for first pneumatic part can be through controlling the gag lever post, and then control butt portion with wait the butt/keep away from of work piece. Even if the first pneumatic piece and the workpiece to be machined are positioned on the back-to-back surfaces of the objective table, the clamping effect can still be achieved. And the bottom space of the objective table is reasonably utilized, and after the clamping is conveniently completed, the welding robot has enough moving space for adjusting the welding position.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a welding fixture (with a positioner) provided by an embodiment of the present invention;

fig. 2 is a top view of a welding fixture provided by an embodiment of the present invention;

fig. 3 is a bottom view of the welding fixture provided by the embodiment of the present invention;

fig. 4 is a side view of a welding fixture provided by an embodiment of the present invention.

In the figure:

10. an object stage; 11. avoiding holes; 12. reinforcing ribs;

20. a workpiece to be processed;

31. a first pneumatic member; 32. a limiting rod; 33. a fixing member; 34. a second pneumatic member;

41. a support; 42. tabletting;

50. and (6) a position changing machine.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1-4, the present application provides a welding fixture including an object table 10 and a first clamping mechanism. The object stage 10 is used for supporting a workpiece 20 to be processed; the first clamping mechanism comprises a first movable clamping assembly, the first movable clamping assembly comprises a first pneumatic piece 31 and a limiting rod 32, the first pneumatic piece 31 is located on one surface, back to the workpiece 20, of the objective table 10 and is fixed with the objective table 10, the first pneumatic piece 31 comprises a telescopic portion, one end of the limiting rod 32 is hinged to the telescopic portion, the other end of the limiting rod 32 is provided with a butting portion, the butting portion penetrates through the objective table 10, the middle portion of the limiting rod 32 is hinged to the objective table 10, and the telescopic portion drives the butting portion to be close to or far away from the workpiece 20.

With this arrangement, the stage 10 provides a fixed support for the workpiece 20, and in the present embodiment, the workpiece 20 is placed on the front surface of the stage 10, i.e., the surface facing upward when the stage 10 is placed horizontally; the clamping direction of the first clamping mechanism is parallel to the plane of the object stage 10, wherein the first movable clamping assembly sets the first pneumatic member 31 at the back of the object stage 10, so as to reduce the space occupied at the front of the object stage 10, and the first pneumatic member 31 is hinged to the first telescopic part and the object stage 10 through the limiting rod 32, so that the first pneumatic member 31 can control the limiting rod 32 to further control the abutting/keeping away of the abutting part and the workpiece 20 to be processed. Even if the first pneumatic element 31 and the workpiece 20 to be processed are located on the two opposite sides of the stage 10, the clamping effect can still be achieved. And the bottom space of the object stage 10 is reasonably utilized, and after the clamping is conveniently completed, the welding robot has enough moving space for adjusting the welding position.

Optionally, the abutment is provided with an abutment for increasing the abutment area of the abutment with the piece to be worked 20. By the design, the abutting part is additionally arranged, so that the abutting between the abutting part and the workpiece to be processed 20 is more stable.

Optionally, the abutting part and the abutting part are detachably connected, when the abutting part faces the strip-shaped workpiece 20 to be processed, the strip-shaped abutting part can be used, and when the end face of the workpiece 20 to be processed needs to be abutted, the square or round abutting part can be used.

Optionally, the object stage 10 is provided with an avoiding hole 11, and the avoiding hole 11 is opposite to the to-be-processed position of the to-be-processed member 20. So design, make through seting up dodging hole 11 and treat that machined part 20 needs the position of processing to expose in the objective table 10 back, make things convenient for welding robot to directly treat machined part 20 from the objective table 10 back and process more, improve processingquality and operating efficiency.

Optionally, the welding jig further comprises a position changing machine 50, the position changing machine 50 comprises a base and two rotating portions, the two rotating portions are rotatably connected with the base, and the object stage 10 is fixed with the rotating portions. So set up, drive objective table 10 through machine of shifting 50 and take place the upset, in welding process, can cooperate welding robot to carry out angular adjustment.

Optionally, the position changing machine 50 further includes a balancing member, and the balancing member is fixed to the base for increasing the contact area between the base and the ground. By the design, the base of the positioner 50 can be more stable, and the phenomenon that the shaking occurs in the process of rotating the objective table 10 to influence the operation quality is prevented.

Optionally, a support beam is disposed between the two rotating portions, and the support beam is fixed to the bottom of the object stage 10. By the arrangement, the contact surface of the object carrying table 10 and the rotating part is increased through the supporting beam, so that the object carrying table 10 is more stably connected with the positioner 50.

Optionally, the first clamping mechanism includes two first movable clamping assemblies, and the two first movable clamping assemblies are respectively located at two sides of the workpiece 20 to be processed.

In other embodiments, a first movable clamp assembly and a fixed member 33, the fixed member 33 is fixed to the stage 10, and the fixed member 33 is located on the other side of the member 20 to be processed relative to the first movable clamp assembly.

Optionally, the fixing member 33 is provided with a reinforcing rib 12 at a position connected to the stage 10. The arrangement makes the connection relationship between the fixing member 33 and the object stage 10 more stable.

Optionally, the welding fixture further includes a second clamping mechanism, the second clamping mechanism includes a support 41 and a pressing sheet 42, the support 41 is fixed to the object stage 10, the pressing sheet 42 is rotatably connected to the support 41, and the workpiece 20 to be processed is located between the pressing sheet 42 and the object stage 10. The clamping direction of the second clamping mechanism is perpendicular to the plane where the objective table 10 is located, the pressing sheet 42 is matched with the objective table 10 to clamp the workpiece 20 to be processed, the pressing sheet 42 abuts against the workpiece 20 to be processed on the objective table 10, and the workpiece 20 to be processed is prevented from being misplaced along the direction perpendicular to the objective table 10 to affect the welding quality.

Optionally, the first clamping mechanism further includes a second movable clamping assembly, the second movable clamping assembly includes a second pneumatic member 34, the second pneumatic member 34 and the workpiece 20 to be processed are located on the same plane of the object stage 10, the second pneumatic member 34 includes a second telescopic portion, and the second telescopic portion can abut against the workpiece 20 to be processed. So set up, the second pneumatic component 34 and wait that the machined part 20 in the second removes the centre gripping subassembly is located the coplanar of objective table 10 for the machined part 20 is waited in the direct butt of pars contractilis, makes the butt relation more firm.

In practical use, the first movable clamping assembly is used for fixing the workpieces 20 to be processed to the object stage 10, and the second movable clamping assembly is used for maintaining the relative positions of the workpieces 20 to be processed, so that gaps between the workpieces 20 to be processed are reduced.

In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. Welding jig, its characterized in that includes:

an object stage (10), the object stage (10) being used for supporting a workpiece (20) to be processed;

the first clamping mechanism comprises a first movable clamping assembly, the first movable clamping assembly comprises a first pneumatic component (31) and a limiting rod (32), the first pneumatic component (31) is located on the surface, opposite to the workpiece (20), of the objective table (10) and fixed to the objective table (10), the first pneumatic component (31) comprises a telescopic portion, one end of the limiting rod (32) is connected with the telescopic portion in a hinged mode, the other end of the limiting rod (32) is provided with a butting portion, the butting portion penetrates through the objective table (10), the middle of the limiting rod (32) is hinged to the objective table (10), and the telescopic portion drives the butting portion to be close to or far away from the workpiece (20).

2. The welding jig according to claim 1, characterized in that the abutting portion is provided with an abutment for increasing an abutting area of the abutting portion with the member to be worked (20).

3. The welding fixture according to claim 1, wherein the stage (10) is provided with an avoiding hole (11), and the avoiding hole (11) faces a position to be processed of the workpiece (20).

4. The welding fixture according to claim 3, further comprising a positioner (50), wherein the positioner (50) comprises a base and two rotating portions, the two rotating portions are rotatably connected with the base, and the object stage (10) is fixed with the rotating portions.

5. The welding fixture according to claim 4, wherein the positioner (50) further comprises a balance member fixed to the base for increasing a contact area of the base with the ground.

6. Welding fixture according to claim 4, wherein a support beam is arranged between the two turning parts, said support beam being fixed to the bottom of the object table (10).

7. The welding fixture according to claim 1, wherein the first clamping mechanism comprises two first movable clamping assemblies, which are respectively located at two sides of the member to be machined (20),

or the first movable clamping component and a fixed part (33), wherein the fixed part (33) is fixed with the object stage (10), and the fixed part (33) is positioned on the other side of the part (20) to be processed relative to the first movable clamping component.

8. Welding fixture according to claim 7, wherein the fixing part (33) is provided with a reinforcement (12) at the location of the connection to the object table (10).

9. The welding fixture according to claim 1, further comprising a second clamping mechanism, wherein the second clamping mechanism comprises a support (41) and a pressing sheet (42), the support (41) is fixed with the object stage (10), the pressing sheet (42) is rotatably connected with the support (41), and the member to be processed (20) is located between the pressing sheet (42) and the object stage (10).

10. The welding fixture according to claim 1, wherein the first clamping mechanism further comprises a second movable clamping assembly, the second movable clamping assembly comprises a second pneumatic member (34), the second pneumatic member (34) and the workpiece to be processed (20) are located on the same plane of the stage (10), and the second pneumatic member (34) comprises a second telescopic portion capable of abutting against the workpiece to be processed (20).