CN220782776U - Mounting fixture convenient to welding - Google Patents

Abstract

The application relates to the field of welding jig, specifically disclose a mounting fixture convenient to weld, it includes the support frame, two locating plates and a plurality of quick clamp, the support frame is square frame and is used for bearing the work piece of waiting to weld, two locating plates are installed respectively in the adjacent both sides of support frame, the locating plate is used for carrying out preliminary location to the position of work piece, quick clamp installs on the support frame, the expansion end of a plurality of quick clamps all is provided with the grip block, the grip block goes up and down to be provided with the lifter plate, and be provided with drive assembly on the grip block, drive assembly is used for driving the lifter plate and reciprocates at the grip block, utilize drive assembly to order about the lifter plate to reciprocate, can support the gap of equidimension not between work piece and the support frame. The clamping device has the advantages of stable clamping and flexible clamp adjustment.

Description

Mounting fixture convenient to welding

Technical Field

The application relates to the field of welding jigs, in particular to a fixing jig convenient for welding.

Background

Welding, also known as fusion welding, is a process and technique for joining metals or other thermoplastic materials, such as plastics, by means of heat, high temperature or high pressure. In the welding process, the workpiece and the welding flux are melted to form a melting area, and the molten pool is cooled and solidified to form a connection between materials. The energy sources of modern welding are numerous and include gas flames, electric arcs, lasers, electron beams, friction and ultrasound.

When workpieces such as metal are welded and connected with each other, the positions of the workpieces need to be kept fixed so as to improve the welding precision. The common mode is to fix the workpiece on a welding fixture, and then weld the workpiece, but because the surface of the workpiece is uneven due to the convex welding spot on the surface of the workpiece, a gap exists between the workpiece and the fixture, and when welding, the workpiece may shake at the gap to influence welding precision.

In order to avoid the shaking of the workpiece during welding, a gasket is filled in a gap between the workpiece and the clamp, so that the gap is filled, the workpiece is prevented from moving, the size of the gasket is fixed, flexible adjustment is difficult to be carried out according to the size of the gap, and a certain gap still exists between the workpiece and the clamp.

Disclosure of Invention

In order to further fix the workpiece to be welded, the application provides a fixing clamp convenient to weld, which has the advantages of stable clamping and flexible clamp adjustment.

The application provides a mounting fixture convenient to welding adopts following technical scheme:

the utility model provides a mounting fixture convenient to welding, includes support frame, two locating plates and a plurality of quick clamp, the support frame is used for bearing the work piece of waiting to weld, two the locating plate is installed respectively in the adjacent both sides of support frame, the locating plate is used for preliminary location work piece, and is a plurality of quick clamp installs on the support frame, a plurality of quick clamp's expansion end all is provided with the grip block, the grip block is L template, grip block one end face is vertical to be set up and link to each other with quick clamp expansion end, the horizontal terminal surface of grip block is located the work piece below, go up and down to be provided with the lifter plate on the horizontal terminal surface of grip block, just be provided with the drive assembly who drives the lifter plate and reciprocate on the grip block.

Through adopting above-mentioned technical scheme, utilize quick clamp to remove the grip block for grip block and locating plate cooperation clamp workpiece, and utilize drive assembly to order about lifter plate upward movement, and support in the work piece bottom, can fill the gap between work piece and the support frame, form the support to the work piece, effectively avoid the work piece to take place to remove in the place that has the gap with the support frame, simultaneously can be according to the gap size between work piece and the support frame, the height of lifter plate is adjusted in a flexible way, fill the gap of different sizes, improve the stability of work piece on the anchor clamps, and then improve welding precision and welding quality.

Optionally, dodge the hole has been seted up on the vertical terminal surface of grip block, lifter plate one end shaping has the slider, the slider stretches into dodge downthehole, the slider with dodge hole in vertical direction sliding fit, drive assembly includes drive screw, drive screw is vertical to be set up, drive screw passes the grip block and stretches into dodge downthehole, just drive screw passes the slider and with slider screw thread fit, drive screw bottom rotates and installs in the horizontal terminal surface of grip block.

By adopting the technical scheme, the sliding fit of the sliding block and the avoidance hole is utilized, so that the avoidance hole has a limiting effect on the sliding block, and the stability of the lifting plate during lifting can be improved; the height of the lifting plate can be accurately adjusted by utilizing the threaded fit of the driving screw and the sliding block, and the supporting effect of the lifting plate on the workpiece is improved.

Optionally, the spacing groove has all been seted up to the both sides wall of dodging the vertical direction in hole, the slider is close to the both sides of spacing groove and has all been formed with the stopper, the stopper stretches into in the spacing groove, just stopper and spacing groove in vertical direction sliding fit.

Through adopting above-mentioned technical scheme, utilize the spacing effect of spacing groove to the stopper, can improve the stability that the slider was moving in dodging the downthehole, and then improve the stability of lifter plate, further improve the centre gripping effect of anchor clamps to the work piece.

Optionally, a plurality of gag levers are vertically arranged on the horizontal end face of the clamping plate, a plurality of limiting holes are correspondingly formed in the lifting plate, and the gag levers are in sliding fit with the limiting holes.

Through adopting above-mentioned technical scheme, when drive screw drives the lifter plate and reciprocates, the gag lever post slides relative spacing hole, utilizes the cooperation of a plurality of gag lever posts and spacing hole, further improves the stability of lifter plate.

Optionally, an adjusting screw is arranged between the clamping plate and the quick clamp, one end of the adjusting screw is screwed into the movable end of the quick clamp, and the other end of the adjusting screw is rotatably arranged on the clamping plate.

Through adopting above-mentioned technical scheme, rotate adjusting screw can change adjusting screw spiral shell and go into the degree of depth of quick clamp expansion end, adjust the distance between quick clamp and the grip block, and then adjust the distance between grip block and the locating plate to match not unidimensional work piece, improve the suitability and the centre gripping effect of anchor clamps.

Optionally, the support frame includes carriage and a plurality of slider, the carriage is rectangular frame, two the locating plate is installed in the adjacent both sides of carriage, and is a plurality of slider one end slides and sets up in the carriage one side that is equipped with the locating plate, and the other end slip cap is located on the carriage, quick clamp installs on the slider, just quick clamp and slider one-to-one.

Through adopting above-mentioned technical scheme, through removing the slider, can adjust the clearance between a plurality of sliders, and then match the work piece of different shapes, provide the space of holding for the protruding structure of some abnormal shape work pieces, improve anchor clamps's suitability and centre gripping effect.

Optionally, the one end that the slider was kept away from the locating plate wears to be equipped with the locking bolt, the locking bolt penetrates the slider and pushes up tightly on the carriage.

Through adopting above-mentioned technical scheme, utilize the locking bolt can fix the position of slider, avoid moving at the in-process slider of welding work piece, further improve the stability of anchor clamps.

Optionally, the spout has been seted up to slider below being located the grip block, the grip block slides along slider length direction in the spout, when lifter plate and grip block laminating, lifter plate upper surface flushes with the slider upper surface.

By adopting the technical scheme, the sliding chute is utilized to limit the movement of the clamping plate, so that the clamping effect of the clamping plate and the positioning plate on the workpiece is improved; through keeping lifter plate upper surface and slider upper surface flush for there is not the difference in height on the slider upper surface, avoids lifter plate and grip block to influence the installation of work piece, has further improved the stability of work piece.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the clamping plate is moved by the quick clamp, so that the clamping plate and the positioning plate are matched to clamp a workpiece, the driving assembly is used for driving the lifting plate to move upwards and prop against the bottom of the workpiece, gaps between the workpiece and the support frame can be filled, the workpiece is supported, the workpiece is effectively prevented from moving in a place with gaps between the workpiece and the support frame, meanwhile, the height of the lifting plate can be flexibly adjusted according to the size of the gaps between the workpiece and the support frame, the gaps with different sizes are filled, the stability of the workpiece on the clamp is improved, and further the welding precision and the welding quality are improved;

2. the sliding fit of the sliding block and the avoidance hole is utilized, so that the avoidance hole has a limiting effect on the sliding block, and the stability of the lifting plate during lifting can be improved; the height of the lifting plate can be accurately adjusted by utilizing the threaded fit of the driving screw and the sliding block, so that the supporting effect of the lifting plate on a workpiece is improved;

3. the depth of the movable end of the quick clamp is changed by rotating the adjusting screw, the distance between the quick clamp and the clamping plate is adjusted, and then the distance between the clamping plate and the positioning plate is adjusted, so that workpieces with different sizes are matched, and the applicability and clamping effect of the clamp are improved.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a schematic view showing a clamping plate according to an embodiment of the present application;

fig. 4 is a cross-sectional view taken along A-A in fig. 3.

Reference numerals: 1. a support frame; 101. a support frame; 102. a slider; 2. a positioning plate; 3. a quick clamp; 4. a clamping plate; 5. a lifting plate; 6. a drive assembly; 61. driving a screw; 7. adjusting a screw; 8. avoidance holes; 9. a slide block; 10. a limit groove; 11. a limiting block; 12. a limit rod; 13. a limiting hole; 14. a locking bolt; 15. and a sliding groove.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses mounting fixture convenient to welding, refer to fig. 1, including support frame 1, two locating plates 2 and a plurality of quick clamp 3, support frame 1 is square frame and is used for bearing the work piece of waiting to weld, and two locating plates 2 are installed respectively in the adjacent both sides of support frame 1, and locating plate 2 is used for carrying out preliminary location to the position of work piece, and quick clamp 3 installs on support frame 1, and quick clamp 3's movable end moves along the horizontal direction to be used for with locating plate 2 cooperation clamping work piece.

Specifically, referring to fig. 2 and 3, the movable ends of the quick clamps 3 are provided with clamping plates 4, and when the quick clamps 3 are locked, the clamping plates 4 are abutted against the side walls of the workpiece, so that the workpiece is clamped and fixed. In this embodiment, the clamping plate 4 is an L-shaped plate, one end surface of the clamping plate 4 is vertical and is connected with the movable end of the quick clamp 3, and the other horizontal end surface is located below the workpiece.

Meanwhile, the lifting plate 5 is arranged on the horizontal end face of the clamping plate 4 in a lifting manner, the driving assembly 6 is arranged on the vertical end face of the clamping plate 4, and the driving assembly 6 is used for driving the lifting plate 5 to move up and down on the clamping plate 4. Before clamping the workpiece, the lifting plate 5 is tightly attached to the clamping plate 4, the workpiece is placed on the support frame 1, after the workpiece is clamped by the locking quick clamp 3, the driving component 6 is utilized to drive the lifting plate 5 to move upwards and tightly abut against the bottom of the workpiece, and then the gap between the workpiece and the support frame 1 can be filled. According to the gap between the workpiece and the support frame 1, the height of the lifting plate 5 can be flexibly adjusted, gaps with different sizes are filled, the stability of the workpiece on the support frame 1 is improved, and then the welding precision is improved.

Further, referring to fig. 2 and 3, an adjusting screw 7 is provided between the clamping plate 4 and the quick clamp 3, one end of the adjusting screw 7 is screwed into the movable end of the quick clamp 3, and the other end is rotatably mounted on the vertical end surface of the clamping plate 4. The depth of the movable end of the quick clamp 3 can be changed by rotating the adjusting screw 7, the distance between the quick clamp 3 and the clamping plate 4 is adjusted, and then the distance between the clamping plate 4 and the positioning plate 2 is adjusted to match workpieces with different sizes, so that the applicability and clamping effect of the clamp are improved.

Further, referring to fig. 2 and 3, an avoidance hole 8 is formed in the vertical end surface of the clamping plate 4 along the vertical direction, a sliding block 9 is formed at one end, close to the quick clamp 3, of the lifting plate 5, and the sliding block 9 extends into the avoidance hole 8 and is in sliding fit with the avoidance hole 8 in the vertical direction. When the driving assembly 6 drives the clamping plate 4 to move up and down, the sliding block 9 correspondingly slides up and down in the avoidance hole 8, the side wall of the avoidance hole 8 is attached to the side wall of the sliding block 9, the avoidance hole 8 has a limiting effect on the sliding block 9, and the stability of the lifting plate 5 during lifting can be improved. In this embodiment, two avoidance holes 8 are formed in the clamping plate 4, the lifting plate 5 is correspondingly provided with two sliding blocks 9, and the two sliding blocks 9 are in one-to-one sliding fit with the two avoidance holes 8.

Further, referring to fig. 2 and 3, the driving assembly 6 includes a driving screw 61, where the driving screw 61 vertically penetrates through the vertical end surface of the clamping member and is slidably matched with the vertical end surface of the clamping member, and the bottom of the driving screw 61 is rotatably installed on the horizontal end surface of the clamping member. At the same time, the driving screw 61 is also arranged on the sliding block 9 in a penetrating way and is in threaded fit with the sliding block 9, namely, the driving screw 61 sequentially penetrates through the clamping piece and the sliding block 9 from top to bottom. The driving screw 61 is rotated to drive the sliding block 9 to move up and down in the avoiding hole 8, so as to drive the lifting plate 5 to lift, and gaps with different sizes between the workpiece and the supporting piece are matched.

Further, referring to fig. 2 and 3, limiting grooves 10 are formed in two side walls of the avoidance hole 8 in the vertical direction, limiting blocks 11 are correspondingly formed on two sides of the sliding block 9, which are close to the two limiting grooves 10, the limiting blocks 11 are slidably arranged in the limiting grooves 10, and the limiting blocks 11 slide in the limiting grooves 10 in the vertical direction. When the driving screw 61 drives the sliding block 9 to move up and down, the limiting block 11 moves up and down in the limiting groove 10 synchronously. Utilize spacing groove 10 to the spacing effect of stopper 11, can improve slider 9 and dodge the stability that the downthehole 8 removed, and then improve the stability of lifter plate 5, further improve the centre gripping effect of anchor clamps to the work piece.

Further, referring to fig. 3 and 4, a plurality of limiting rods 12 are vertically arranged on the horizontal end surface of the clamping plate 4, a plurality of limiting holes 13 are correspondingly formed in the lifting plate 5, one end, away from the clamping plate 4, of the limiting rods 12 extends into the limiting holes 13 and is in sliding fit with the limiting holes 13, and the limiting holes 13 form radial limiting on the limiting rods 12. When the driving screw 61 drives the lifting plate 5 to move up and down, the limiting rods 12 slide relative to the limiting holes 13, and the stability of the lifting plate 5 is further improved by utilizing the cooperation of the limiting rods 12 and the limiting holes 13.

Further, referring to fig. 1 and 2, the support frame 1 includes a support frame 101 and a plurality of sliding members 102, the support frame 101 is a rectangular frame, the plurality of sliding members 102 are slidably disposed between the support frame 101, one end of each sliding member 102 is slidably mounted on a side of the support frame 101 provided with the positioning plate 2, and the other end is slidably sleeved on the support frame 101. In this embodiment, three sliding members 102 are provided, three quick clamps 3 are correspondingly provided, the quick clamps 3 are in one-to-one correspondence with the sliding members 102, and the three quick clamps 3 are respectively installed at one ends of the three sliding members 102 far away from the positioning plate 2.

By moving the sliding parts 102, gaps among the sliding parts 102 can be adjusted, workpieces with different shapes can be matched, accommodating spaces are provided for protruding structures of some special-shaped workpieces, and applicability and clamping effect of the clamp are improved.

Further, referring to fig. 1 and 2, the end of the slider 102 away from the positioning plate 2 is provided with a locking bolt 14, and the locking bolt 14 penetrates from the top of the slider 102 and abuts against the supporting frame 101. The locking bolt 14 can be used for fixing the position of the sliding piece 102, so that the sliding piece 102 is prevented from moving in the process of welding workpieces, and the stability of the clamp is further improved.

Further, referring to fig. 1 and 2, the sliding member 102 is provided with a sliding slot 15 below the clamping plate 4, the horizontal end surface of the clamping plate 4 is located in the sliding slot 15, and the horizontal end surface of the clamping plate 4 can slide along the length direction of the sliding member 102 in the sliding slot 15. When the quick clamp 3 is locked and opened, the clamping plate 4 correspondingly slides in the sliding groove 15.

Meanwhile, when the lifter plate 5 is attached to the horizontal end surface of the grip plate 4, the upper surface of the lifter plate 5 is kept flush with the upper surface of the slider 102. When a gap exists between the workpiece and the sliding piece 102, the driving screw 61 is rotated to enable the lifting plate 5 to move upwards and abut against the bottom of the workpiece, so that the workpiece can be clamped and fixed with high precision, the stability of the workpiece during welding is improved, and the welding precision and quality are further improved.

The implementation principle of the fixing clamp convenient to weld disclosed by the embodiment of the application is as follows: the quick clamp 3 is opened firstly, the position of the sliding piece 102 is adjusted according to the shape of a workpiece and is fixed by the locking bolt 14, then the adjusting screw 7 is rotated according to the size of the workpiece, the distance between the clamping piece and the positioning plate 2 is adjusted, then the workpiece is placed on the support frame 1 and is in abutting alignment with the positioning plate 2, the quick clamp 3 is locked, the vertical end face of the clamping piece is abutted against the side wall of the workpiece, then the driving screw 61 is rotated, the lifting plate 5 is moved upwards and abutted against the bottom of the workpiece, and the workpiece can be stably clamped on the clamp.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a mounting fixture convenient to welding, includes support frame (1), two locating plates (2) and a plurality of quick clamp (3), support frame (1) are used for bearing the work piece of waiting to weld, two locating plate (2) are installed respectively in support frame (1) adjacent both sides, locating plate (2) are used for preliminary location work piece, and a plurality of quick clamp (3) are installed on support frame (1), its characterized in that: the movable ends of the rapid clamps (3) are provided with clamping plates (4), the clamping plates (4) are L-shaped plates, one end face of each clamping plate (4) is vertically arranged and connected with the movable end of the rapid clamp (3), the horizontal end face of each clamping plate (4) is located below a workpiece, the lifting plates (5) are arranged on the horizontal end faces of the clamping plates (4) in an ascending and descending mode, and driving assemblies (6) for driving the lifting plates (5) to move up and down are arranged on the clamping plates (4).

2. A welding facilitating fixture as defined in claim 1, wherein: the utility model discloses a clamping plate, including clamping plate (4), slide block (9) are formed to vertical terminal surface of clamping plate (4), lifting plate (5) one end has slide block (9), slide block (9) stretch into dodge in hole (8), slide block (9) and dodge hole (8) in vertical direction sliding fit, drive assembly (6) are including drive screw (61), drive screw (61) are vertical to be set up, drive screw (61) pass clamping plate (4) stretch into dodge in hole (8), just drive screw (61) pass slide block (9) and with slide block (9) screw-thread fit, drive screw (61) bottom is rotated and is installed in the horizontal terminal surface of clamping plate (4).

3. A welding facilitating fixture as defined in claim 2, wherein: limiting grooves (10) are formed in two side walls of the avoidance holes (8) in the vertical direction, limiting blocks (11) are formed in two sides, close to the limiting grooves (10), of the sliding blocks (9), the limiting blocks (11) extend into the limiting grooves (10), and the limiting blocks (11) are in sliding fit with the limiting grooves (10) in the vertical direction.

4. A welding facilitating fixture as defined in claim 1, wherein: a plurality of limiting rods (12) are vertically arranged on the horizontal end face of the clamping plate (4), a plurality of limiting holes (13) are correspondingly formed in the lifting plate (5), and the limiting rods (12) are in sliding fit with the limiting holes (13).

5. A welding facilitating fixture as defined in claim 1, wherein: an adjusting screw (7) is arranged between the clamping plate (4) and the quick clamp (3), one end of the adjusting screw (7) is screwed into the movable end of the quick clamp (3), and the other end of the adjusting screw is rotatably arranged on the clamping plate (4).

6. A welding facilitating fixture as defined in claim 1, wherein: the support frame (1) comprises a support frame (101) and a plurality of sliding parts (102), the support frame (101) is a rectangular frame, two locating plates (2) are arranged on two adjacent sides of the support frame (101), one ends of the sliding parts (102) are slidably arranged on one side, provided with the locating plates (2), of the support frame (101), the other ends of the sliding parts are slidably sleeved on the support frame (101), and the quick clamps (3) are arranged on the sliding parts (102) and correspond to the sliding parts (102) one by one.

7. The welding-facilitated fixture of claim 6, wherein: one end of the sliding piece (102) far away from the locating plate (2) is provided with a locking bolt (14) in a penetrating mode, and the locking bolt (14) penetrates into the sliding piece (102) and is tightly propped against the supporting frame (101).

8. The welding-facilitated fixture of claim 6, wherein: the sliding piece (102) is located below the clamping plate (4) and is provided with a sliding groove (15), the clamping plate (4) slides in the sliding groove (15) along the length direction of the sliding piece (102), and when the lifting plate (5) is attached to the clamping plate (4), the upper surface of the lifting plate (5) is flush with the upper surface of the sliding piece (102).