CN219767233U - Pressing mechanism for welding piece clamp - Google Patents

Abstract

The utility model discloses a compressing mechanism for a welding fixture, which comprises a rotating rod, wherein a mounting hole is fixedly formed in the surface of a mounting plate, an inserting hole is fixedly formed in the inner wall of the mounting hole, the compressing mechanism comprises the rotating rod, the other end of the rotating rod is fixedly connected with a frame plate, the surface of the rotating rod is sleeved with an inserting rod in a sliding manner through a second spring, the output end of a double-head cylinder is fixedly connected with a connecting plate, one opposite surface of the connecting plate is fixedly connected with a tensioning assembly, and one opposite side of a bearing is fixedly connected with a pressing plate. This a hold-down mechanism for welding piece anchor clamps rotates the welding that the clamp plate can make things convenient for other faces of welding piece to and hold-down mechanism's slope makes the welding face spill, realizes the welding to being located the welding piece of clamp plate inner chamber, solves because place board and hold-down mechanism can both rotate, needs the manual work to move around the welding piece and welds when leading to the welding to and be blocked in the rubber pad when the welding face of welding piece, leads to unable welded problem.

Description

Pressing mechanism for welding piece clamp

Technical Field

The utility model relates to the technical field of pressing mechanisms, in particular to a pressing mechanism for a welding fixture.

Background

At present, in the automobile manufacturing industry, in order to guarantee that stamping workpiece welded product is qualified, reduce workman's intensity of labour and improve the production efficiency of mill simultaneously, but the mode that positioning mechanism and clamping mechanism separated has generally been adopted in these welding jigs, complicated anchor clamps structure makes welder operating space little, the workman's operation is inconvenient, positioning and clamping structure separation also makes action efficiency reduce, therefore patent application number CN202021548927.6, specifically be an automobile stamping workpiece welded clamp's positioning and clamping mechanism, the on-line screen storage device comprises a base, two parts are all fixedly connected with first bracing piece and second bracing piece about the upper end of base, two sets of first bracing piece and second bracing piece are based on the base symmetry, the one end that two second bracing pieces are close to mutually all is provided with clamping mechanism, the upper end fixedly connected with fixed column of base, the front end fixedly connected with install bin of fixed column, the first mounting bin internally cutting has the mounting groove, the lower extreme of install bin is provided with the connecting block, the lower extreme fixedly connected with rubber pad of connecting block is provided with auxiliary positioning mechanism in the install bin, the upper end rotation of base is connected with the support column, the upper end fixedly connected with place the board of support column, place the board, it is located between two sets of place the flexible clamp can realize the flexible operation, it is convenient for the automobile stamping workpiece, it is easy to operate.

While the above patent CN202021548927.6 solves the problems that the complicated fixture structure makes the welding gun operate space small, is inconvenient for the worker to operate, and the positioning and clamping structure is separated to reduce the action efficiency, but the welding piece is placed on the back of the placing plate and is pressed by the rubber pad, because the placing plate and the pressing mechanism cannot rotate, the welding piece is required to be manually moved to weld during welding, one surface of the pressing mechanism can block the pressing mechanism, so that the welding is troublesome, and because the welding piece is different in size, when the welding smaller than the rubber pad is pressed, the welding surface is in the rubber pad, and the problem that the welding cannot be performed is caused.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the pressing mechanism for the welding piece clamp, which solves the problems that the welding piece is required to be manually moved around to weld when welding because the placing plate and the pressing mechanism cannot rotate, one surface of the pressing mechanism can block the pressing mechanism, so that the welding is troublesome, and the welding surface of the pressing mechanism is positioned in the rubber pad when the welding is smaller than the rubber pad due to different sizes of the welding piece, so that the welding cannot be performed.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: a hold-down mechanism for weldment anchor clamps, includes the base, the top fixedly connected with mounting panel of base, the mounting hole has been seted up to the fixed surface of mounting panel, the jack has been seted up to the fixed inner wall of mounting hole, the inner chamber of mounting hole is provided with hold-down mechanism.

The pressing mechanism comprises a rotating rod, one end of the rotating rod is fixedly connected with a rotating handle, the other end of the rotating rod is fixedly connected with a frame plate, the surface of the rotating rod is sleeved with an inserting rod in a sliding mode through a second spring, the inner cavity of the frame plate is fixedly sleeved with a double-head air cylinder, the output end of the double-head air cylinder is fixedly connected with a connecting plate, one opposite surface of the connecting plate is fixedly connected with a tensioning assembly, one end of the tensioning assembly is provided with a bearing, one opposite side of the bearing is fixedly connected with a pressing plate, the rotating rod is sleeved in the inner cavity of the mounting hole in a rotating mode, and the inserting rod and the inserting hole are mutually inserted;

the tensioning assembly comprises a sleeve pipe arranged on the surface of the connecting plate, and the inner cavity of the sleeve pipe is sleeved with a sliding rod in a sliding manner through a first spring.

Preferably, one end of the sleeve is sleeved with the bearing.

Preferably, the number of the jacks and the inserted bars is six, and the jacks and the inserted bars are symmetrically arranged.

Preferably, the end of the inserted link is arc-shaped.

Preferably, the surface of the sliding rod is matched with the inner cavity of the sleeve.

Preferably, the first spring is fixedly connected between the sleeve and the sleeve.

Advantageous effects

The utility model provides a pressing mechanism for a welding fixture. Compared with the prior art, the method has the following beneficial effects:

1. this a hold-down mechanism for welding anchor clamps, through putting the welding on the surface of clamp plate and image good parallel and level, then start hold-down mechanism, make the both ends of hold-down mechanism drive tensioning assembly relative movement through the connecting plate, make the surface of the mutual centre gripping welding of clamp plate, then weld the welding face, after welding one side, can directly rotate the clamp plate through the bearing, make other faces of welding rotate to the convenience is to the welding of other faces, until the completion of welding.

2. This a hold-down mechanism for weldment anchor clamps, when the weldment that is little through pressing from both sides tight, after its clamp plate presss from both sides tight welding, through twist grip rotation dwang, make the dwang rotate at the mounting hole inner chamber, the inserted bar can receive the extrusion at the jack inner chamber simultaneously, leave from original jack, and follow the dwang and rotate at the mounting hole inner wall, in the aspect of rotating to the slope when the dwang, make the welded surface that is in the clamp plate inner chamber weldment can spill, stop rotating, under the elasticity of second spring, make the inserted bar insert in the jack that corresponds can, then directly weld the welded surface that spills to the slope.

3. The pressing mechanism for the welding piece clamp automatically stretches and contracts the sliding rod in the inner cavity of the sleeve through the first spring in the clamping process, so that the pressing plate is automatically tensioned to clamp the welding piece, the welding piece is prevented from being damaged by the clamping of the pressing plate,

drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

FIG. 2 is a schematic view of a structural mounting plate according to the present utility model.

Fig. 3 is a schematic view of the structure compressing mechanism of the present utility model.

Fig. 4 is a cross-sectional view of a turning bar of the present utility model.

Fig. 5 is a schematic view of a structural tensioning assembly of the present utility model.

In the figure: 1. a base; 2. a mounting plate; 21. a mounting hole; 22. a jack; 3. a compressing mechanism; 31. a rotating lever; 32. rotating the handle; 33. a frame plate; 34. a double-headed cylinder; 35. a connecting plate; 36. a tensioning assembly; 361. a sleeve; 362. a slide bar; 363. a first spring; 37. a bearing; 38. a pressing plate; 39. a rod; 310. and a second spring.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides a technical solution: a hold-down mechanism for weldment anchor clamps, includes base 1, and the top fixedly connected with mounting panel 2 of base 1, mounting panel 2's fixed surface has seted up mounting hole 21, and jack 22 has been seted up to the fixed inner wall of mounting hole 21, and the inner chamber of mounting hole 21 is provided with hold-down mechanism 3, accomplishes the tight effect with can advance the pivoted through hold-down mechanism 3.

Referring to fig. 3-4, the pressing mechanism 3 includes a rotating rod 31, one end of the rotating rod 31 is fixedly connected with a rotating handle 32, the other end of the rotating rod 31 is fixedly connected with a frame plate 33, the frame plate 33 is adopted to enable the pressing plates 38 clamped with each other to move at equal distance, the surface of the rotating rod 31 is slidably sleeved with an inserting rod 39 through a second spring 310, an inner cavity of the frame plate 33 is fixedly sleeved with a double-end air cylinder 34, the output end of the double-end air cylinder 34 is fixedly connected with a connecting plate 35, one surface of the connecting plate 35 opposite to the connecting plate is fixedly connected with a tensioning assembly 36, one end of the tensioning assembly 36 is provided with a bearing 37, one side of the bearing 37 opposite to the bearing 37 is fixedly connected with a pressing plate 38, the bearing 37 can enable the pressing plate 38 to rotate, and when the pressing plate 38 is clamped, fastening force is generated, therefore the bearing 37 does not drive the pressing plates 38 clamped with each other to rotate back under the rotation of no external force, the rotating rod 31 is rotatably sleeved in an inner cavity of the mounting hole 21, the inserting rod 39 and the inserting hole 22 are mutually inserted and combined through the rotating pressing plates 38, welding of other surfaces of the welding members can be conveniently welded through the rotating pressing plates 38, and the whole pressing plates 38 can be welded to the inner cavity and the welding members.

Referring to fig. 5, the tensioning assembly 36 includes a sleeve 361 mounted on the surface of the connecting plate 35, the inner cavity of the sleeve 361 is slidably sleeved with a sliding rod 362 through a first spring 363, one end of the sleeve 361 is mutually sleeved with a bearing 37, the surface of the sliding rod 362 is mutually matched with the inner cavity of the sleeve 361, the first spring 363 is fixedly connected between the sleeve 361 and the sleeve 361, the sliding rod 362 automatically stretches and contracts in the inner cavity of the sleeve 361 through the elasticity of the first spring 363, automatic tensioning is achieved, and when the pressing plate 38 can clamp a welding part, protection of the welding part can be reduced through buffering.

Further, the number of the jacks 22 and the inserted rods 39 is six, and the jacks 22 and the inserted rods 39 are symmetrically arranged, and the number of the jacks 22 and the inserted rods 39 is set by the gravity of the compressing mechanism 3, so that the compressing mechanism 3 can be ensured to be stable in the vertical and inclined states by the number of the jacks 22 and the inserted rods 39, and only the pressure is increased under the rotation of external force, so that the jacks 22 and the inserted rods 39 automatically stretch and retract, and the rotating rod 31 rotates.

Further, the end of the insert rod 39 is arc-shaped, and when the insert rod 39 is extruded and rotated in the inner cavity of the jack 22 through the arranged arc shape, automatic expansion and contraction can be realized more.

During operation, the double-end air cylinder 34 is connected with an external air pump through an air pipe, the double-end air cylinder is fixed through the base 1, then a welding piece to be welded is placed on the surface of the pressing plate 38 and is good in image and level, then the pressing mechanism 3 is started, two ends of the pressing mechanism 3 drive the tensioning assembly 36 to relatively move through the connecting plate 35, the pressing plate 38 clamps the surface of the welding piece mutually, meanwhile, in the clamping process, the pressing plate 38 automatically stretches and contracts through the first spring 363, the pressing plate 38 is automatically tensioned to drive the pressing plate 38 to clamp the welding piece, damage caused by clamping of the pressing plate 38 on the welding piece is avoided, then the welding surface is welded, after one surface is welded, the pressing plate 38 can be directly rotated through the bearing 37, and other surfaces of the welding piece are rotated, so that welding on other surfaces is facilitated until the welding piece is completed.

When a welding piece with smaller size is clamped, after the pressing plate 38 clamps and welds, the rotating rod 31 is rotated by rotating the handle 32, so that the rotating rod 31 rotates in the inner cavity of the mounting hole 21, meanwhile, the inserting rod 39 is extruded in the inner cavity of the inserting hole 22, leaves from the original inserting hole 22 and rotates along with the rotating rod 31 in the inner wall of the mounting hole 21, when the rotating rod 31 rotates to an inclined aspect, the welding surface of the welding piece in the inner cavity of the pressing plate 38 can leak, the rotation is stopped, the inserting rod 39 is inserted into the corresponding inserting hole 22 under the elasticity of the second spring 310, then the welding surface leaked obliquely is directly welded, and meanwhile, the pressing plate 38 is driven to rotate by the bearing 37, so that the welding of other welding surfaces is performed.

And all that is not described in detail in this specification is well known to those skilled in the art.

Claims (6)

1. A hold-down mechanism for weldment anchor clamps, includes base (1), the top fixedly connected with mounting panel (2) of base (1), its characterized in that: the surface of the mounting plate (2) is fixedly provided with a mounting hole (21), the inner wall of the mounting hole (21) is fixedly provided with an inserting hole (22), and the inner cavity of the mounting hole (21) is provided with a pressing mechanism (3);

the compressing mechanism (3) comprises a rotating rod (31), one end of the rotating rod (31) is fixedly connected with a rotating handle (32), the other end of the rotating rod (31) is fixedly connected with a frame plate (33), the surface of the rotating rod (31) is sleeved with an inserting rod (39) in a sliding mode through a second spring (310), an inner cavity of the frame plate (33) is fixedly sleeved with a double-head air cylinder (34), the output end of the double-head air cylinder (34) is fixedly connected with a connecting plate (35), one opposite surface of the connecting plate (35) is fixedly connected with a tensioning assembly (36), one end of the tensioning assembly (36) is provided with a bearing (37), one opposite side of the bearing (37) is fixedly connected with a pressing plate (38), the rotating rod (31) is rotatably sleeved in an inner cavity of a mounting hole (21), and the inserting rod (39) and an inserting hole (22) are mutually inserted;

the tensioning assembly (36) comprises a sleeve (361) which is arranged on the surface of the connecting plate (35), and the inner cavity of the sleeve (361) is sheathed with a sliding rod (362) in a sliding way through a first spring (363).

2. A hold-down mechanism for a weldment clamp as claimed in claim 1, wherein: one end of the sleeve (361) is sleeved with the bearing (37).

3. A hold-down mechanism for a weldment clamp as claimed in claim 1, wherein: the number of the jacks (22) and the inserted rods (39) is six, and the jacks and the inserted rods are symmetrically arranged.

4. A hold-down mechanism for a weldment clamp as claimed in claim 1, wherein: the end of the inserted link (39) is arc-shaped.

5. A hold-down mechanism for a weldment clamp as claimed in claim 1, wherein: the surface of the sliding rod (362) is matched with the inner cavity of the sleeve (361).

6. A hold-down mechanism for a weldment clamp as claimed in claim 1, wherein: the first spring (363) is fixedly connected between the sleeve (361) and the sleeve (361).