Welding clamp of air filtering support assembly

Abstract

The utility model provides a welding fixture of an air filter support assembly, which comprises a mounting bottom plate, four cushion blocks arranged on the mounting bottom plate, movable supports capable of sliding oppositely symmetrically arranged on the left side and the right side of the mounting bottom plate, and limiting stop blocks for limiting the opposite moving distance of the mounting supports, and baffles are arranged at the lower ends of the movable supports. Opening limiting grooves are formed above and below the movable support respectively, a tensioning mechanism is arranged on the movable support close to the upper portion, and a manual pressing device is arranged on the top of the movable support; fixing supports are arranged on the left side and the right side of the installation bottom plate extending towards the rear side respectively, and check blocks and pneumatic pressing devices are arranged on the fixing supports. According to the welding fixture, the production efficiency is improved, the rejection rate is reduced, the production cost is saved, the labor requirement is reduced, the manufacturing period is shortened, the production cost is reduced, the welding fixture is suitable for batch production, the batch production requirement of products is met, and the productivity is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding fixture technical field, concretely relates to a welding fixture of air filter support assembly. BACKGROUND

[0002] The air filter support assembly as shown in the drawing, in the processing process, first blanking and forming a plurality of small splicing pieces through the early process, then welding into an assembly, the splicing piece formed before welding includes the lower frame E with open end, the right side frame D and the upper frame F with open end, the length of the lower frame is greater than the upper frame, the open end of the upper frame F and the lower frame E are welded and fixed with the right side frame D, the upper frame and the lower frame are fixedly connected into an organic whole through the two groups of four vertical pipes H oppositely arranged, and the both sides of the upper frame are respectively provided with positioning holes P. Figure 8 The inventor finds in the process of realizing the utility model that:

[0003] The splicing piece is manually operated by two people in a group for 20 minutes to complete the welding into an assembly, the efficiency is relatively low, and the welding position has deviation, so it cannot meet the needs of large-scale production.

[0004] SUMMARY In order to solve the problems in the prior art, the utility model provides a welding fixture of air filter support assembly, which can improve the efficiency and ensure the consistency of the product.

[0005] Therefore, the technical scheme of the utility model is as follows: a welding fixture of air filter support assembly, comprising a mounting bottom plate, characterized in that: four pad blocks for supporting the bottom of the lower frame of the air filter support on both sides of the mounting bottom plate, wherein two pad blocks are used for supporting the right side frame of the air filter support at the same time,

[0006] The mounting bottom plate is symmetrically provided with movable supports and limiting stop blocks limiting the moving distance of the mounting supports on the left and right sides, the lower end of the movable support is provided with a baffle for supporting the lower frame of the air filter support on both sides, the movable support is provided with opening limiting grooves for limiting the front and rear direction of the vertical pipe of the air filter support on the upper and lower sides, the movable support is provided with a tensioning mechanism for pressing the left and right direction of the vertical pipe of the air filter support near the upper part, and the top of the movable support is provided with a manual presser for pressing the vertical direction of the upper frame of the air filter support.

[0007] The mounting bottom plate is symmetrically provided with fixed supports on the left and right sides of the rear side, and the fixed supports are provided with stop blocks and pneumatic pressers for clamping the front and rear direction of the right side frame of the air filter support.

[0008]

[0009] ​The further improvement of the above technical scheme is that the movable support capable of sliding in opposite directions, specifically, the installation base plate is provided with a track, the movable support comprises a base plate, the bottom of the base plate is provided with a sliding block for clamping the track, the two sides of the base plate are provided with vertical plates, a vertical plate one is fixed between the two vertical plates, the opposite sides of the two vertical plate ones are respectively provided with air cylinders, and the movable support is connected to the installation base plate in a sliding mode through the piston rods of the air cylinders. This structure is convenient for taking and placing parts, is easy to operate, has low manufacturing cost, is high in efficiency, and is convenient for later maintenance.

[0010] The further improvement of the above technical scheme is that a horizontal plate is arranged between the two vertical plates above the vertical plate one, the top portions of the two vertical plates are connected through the horizontal plate, the open limiting grooves are respectively arranged on the horizontal plate and the top plate, and L-shaped baffles are arranged at the groove bottoms close to the open limiting grooves. The structure is convenient for positioning the four vertical pipes of the air filter support, avoids the influence of movement on product quality during welding, and guarantees the stability of the product.

[0011] The further improvement of the above technical scheme is that the specific structure of the tensioning mechanism is that a vertical plate two is arranged on the vertical plate between the horizontal plate and the top plate, the opposite sides of the two vertical plate twos are respectively provided with air cylinders, the extension ends of the air cylinders slide out of the vertical plate two, the end portions are fixed with discs, the discs are symmetrically provided with hinge seats, tensioning rods are hinged to the hinge seats, the tensioning rods are provided with waist-shaped holes, rotating shafts are slidably arranged in the waist-shaped holes, the rotating shafts are installed on the surface of the vertical plate two through two parallel plates, and the front end of the tensioning rod is fixed with a pressing plate close to one side of the vertical plate two. This structure can simultaneously tension two vertical pipes on the same side, and the number of tensioning mechanisms is reduced.

[0012] The further improvement of the above technical scheme is that the surface of the top plate is provided with an inverted U-shaped plate, a manual pressure closer is arranged on the top of the U-shaped plate, and a manual spring latch for detecting the hole position of the positioning hole of the upper frame of the air filter support is arranged on one side edge of the U-shaped plate. The U-shaped plate avoids interference during welding, facilitates the installation of the manual pressure closer, and the manual spring latch avoids the welding of the upper frame being reversed and plays a correction prompting role.

[0013] The further improvement of the above technical scheme is that the fixed support comprises a base and vertical plates fixed on the base, the stop blocks are arranged at the middle and top of the vertical plates, the opposite sides of the two vertical plates are respectively fixed with reversely extended mounting plates, the mounting plates are fixed with air cylinders and U-shaped plates, the pneumatic pressure closer is supported and connected through the U-shaped plates, and the opposite sides of the two vertical plates are respectively fixed with vertical reinforcing rib plates. This structure is simple and guarantees stability.

[0014] The further improvement of the above technical scheme is that the installation base plate is provided with a pipe penetrating protective cover and a chip removal weight reduction groove arranged in the middle, and a plurality of air path control valves are arranged on one side of the installation base plate. The protective cover is arranged to avoid damage to the air pipe caused by welding chips during welding, and the control valves are arranged to facilitate separate control according to needs.

[0015] Beneficial effects: the welding fixture of the utility model realizes significant optimization in efficiency, quality, cost and the like. The specific performance is: first, the production efficiency is improved, which is improved from 2 persons 20 minutes / piece to 1 person 5 minutes / piece, the efficiency is significantly improved; second, the waste product rate is reduced, the waste product rate is reduced from 5% to 0.1% or less, the product quality is greatly improved; third, the production cost is saved, the artificial demand is reduced, the manufacturing cycle is shortened, and the production cost is reduced; fourth, it is suitable for batch production, meets the product batch production demand, and improves the production capacity. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the structural diagram of the utility model.

[0017] Figure 2 is the use state diagram of the utility model.

[0018] Figure 3 is the installation diagram of the movable support of the utility model.

[0019] Figure 4 is the structure diagram of the tensioning mechanism of the utility model.

[0020] Figure 5 is the tensioning state diagram of the tensioning mechanism of the utility model.

[0021] Figure 6 is the installation diagram of the fixed support of the utility model.

[0022] Figure 7 is the structure diagram of the pressing mechanism of the utility model.

[0023] Figure 8 is the model diagram of the air filtering support assembly (the model diagram is used in order to express more clearly).

[0024] As shown in the figure: 1, installation bottom plate; 2, cushion block; 3, movable support; 4, limit stop; 5, tensioning mechanism; 6, manual presser; 7, fixed support; 8, track; 9, air cylinder; 10, U-shaped plate; 11, manual spring latch; 12, air cylinder; 13, pipe penetrating protective cover; 14, chip removal lightening groove; 15, air path control valve. DETAILED DESCRIPTION

[0025] The technical scheme of the utility model will be described clearly and completely in combination with the drawings, but the embodiment should not be understood as limiting the utility model.

[0026] The utility model discloses a welding fixture as shown in the drawings: Figures 1 to 7

[0027] ​A kind of welding fixture of air filter support assembly, including installation base plate 1, installation base plate is equipped with four pad 2 for forming support to the bottom of air filter support lower frame E both sides, wherein two pad are simultaneously used to support the right side frame D of air filter support,

[0028] Installation base plate 1 left and right sides are symmetrically equipped with movable support 3 that can slide towards each other, and limiting stopper 4 that limits the moving distance of installation support towards each other, the lower end of movable support is equipped with baffle 31 for forming support to the both sides of air filter support lower frame, movable support is respectively equipped with opening limiting groove 32 for limiting the front and back direction of air filter support vertical pipe in upper and lower, movable support is equipped with tensioning mechanism 5 for compressing the left and right direction of air filter support vertical pipe H near upper part, the top of movable support is equipped with manual tensioner 6 for clamping the vertical direction of air filter support upper frame F;

[0029] Installation base plate 1 extends to the rear side and is respectively equipped with fixed support 7 on left and right sides, and fixed support is equipped with stopper 71 and pneumatic tensioner 72 for clamping the front and back direction of air filter support right side frame D.

[0030] In the embodiment, the movable support 3 that can slide towards each other, the specific structure is that the installation base plate is equipped with track 8, movable support 3 includes base plate 33, the bottom of base plate is equipped with slider that is connected with track, both sides of base plate are equipped with vertical plate 34, vertical plate one 35 is fixed between the lower end of two vertical plates, the opposite sides of two vertical plates are respectively equipped with air cylinder 9, movable support is connected by the extension and retraction of piston rod of air cylinder on the installation base plate.This structure is convenient to take and put, easy to operate, low in manufacturing cost, high in efficiency, and convenient for later maintenance.

[0031] In the embodiment, the two vertical plates between the vertical plate one 35 are equipped with horizontal plate 36, the top of two vertical plates is connected by top plate 37, opening limiting groove 32 is respectively arranged on horizontal plate and top plate, L-shaped baffle 38 is arranged on the groove bottom near opening limiting groove.The purpose of this structure is to facilitate the positioning of the four vertical pipes of air filter support, avoid the influence of movement on product quality during welding, and ensure the stability of product.

[0032] In the embodiment, the specific structure of tensioning mechanism 5 is that vertical plate two 39 is arranged between horizontal plate and top plate, air cylinder 51 is arranged on the opposite sides of two vertical plates two, the extension and retraction end of air cylinder slides out from vertical plate two, disc 52 is fixed on the end, hinge seat 53 is symmetrically arranged on disc, tensioning rod 54 is hinged on hinge seat, waist-shaped hole 55 is arranged on tensioning rod, rotating shaft is slidably fitted in waist-shaped hole, rotating shaft is installed on the surface of vertical plate two 39 through two parallel plates 56, and pressing plate 57 is fixed on the side of vertical plate two of the front end of tensioning rod.This structure can simultaneously tension two vertical pipes on the same side, and reduce the number of tensioning mechanisms.

[0033] In this embodiment, the top plate 37 is provided with an inverted U-shaped plate 10, and the manual pressure device 6 is arranged on the top of the U-shaped plate. A manual spring bolt 11 (a commercially available product) is arranged on one side of the U-shaped plate to detect the position of the positioning hole of the upper frame of the air filter support. The U-shaped plate avoids interference in welding and facilitates the installation of the manual pressure device. The manual spring bolt avoids the welding of the upper frame in reverse and plays a role in error correction.

[0034] In this embodiment, the fixing support 7 includes a base 73 and a vertical plate 74 fixed on the base. The stop block 71 is arranged on the middle and top of the vertical plate, respectively. The opposite sides of the vertical plates are respectively fixed with reversely extended mounting plates 75. The air cylinder 12 and the U-shaped plate 76 are fixed on the mounting plates. The pneumatic pressure device 72 is supported and connected through the U-shaped plate (the structure of the pneumatic pressure device is basically the same as that of the tensioning mechanism except that the disc and the hinged seat are different, so the details are not described here). The opposite sides of the vertical plates are respectively fixed with vertical reinforcing rib plates 77. This structure is simple and can ensure stability.

[0035] In this embodiment, the middle of the mounting base 1 is provided with a pipe protection cover 13 and a chip removal weight reduction groove 14. One side of the mounting base is provided with a plurality of air path control valves 15. The air path control valves are respectively connected with the air cylinder, the pneumatic pressure device and the like through pipelines. The pipe protection cover is arranged to avoid damage to the air pipe caused by welding chips during welding. The control valve is arranged to facilitate separate control according to needs.

[0036] The use method of the welding fixture is as follows:

[0037] Firstly, the welding fixture is fixed on the welding robot platform through screws. Then, the right frame of the air filter support is placed on two pads and fixed through the stop block 71 on the fixing support and the pneumatic pressure device 72. Then, the lower frame of the air filter support is placed on the pad and abuts against the right frame of the air filter support at the opening end. The air path control valve of the air cylinder 9 is opened. The moving support moves towards the baffle 31 to clamp the lower frame of the air filter support from both sides. The vertical pipe H is placed in the opening limiting groove of the moving support and pressed through the tensioning mechanism. Then, the upper frame of the air filter support is placed on the vertical pipe and abuts against the right frame of the air filter support at the opening end. Whether the installation is correct or not is checked through the manual spring bolt. If the installation is correct, the upper frame of the air filter support is pressed through the manual pressure device 6, and the welding operation is started.

[0038] The details not described in the specification are known in the art.

[0039] The above description is only a preferred embodiment of the welding fixture and is not used to limit the welding fixture. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the welding fixture should be included in the protection scope of the welding fixture.

Claims

1. A welding fixture for an air filter bracket assembly, comprising a mounting base plate, characterized in that: The mounting base plate is provided with four pads for supporting the bottom of both sides of the lower frame of the air filter bracket, two of which also support the right side frame of the air filter bracket. The mounting base plate is symmetrically equipped with movable brackets that can slide towards each other on the left and right sides, and limiting blocks that restrict the distance between the moving brackets. The lower end of the movable bracket is equipped with a baffle for supporting the lower frame of the air filter bracket on both sides. The upper and lower parts of the movable bracket are respectively equipped with open limiting grooves for limiting the front and rear direction of the vertical tube of the air filter bracket. Near the upper part of the movable bracket is a tensioning mechanism for pressing the vertical tube of the air filter bracket in the left and right direction. The top of the movable bracket is equipped with a manual clamping device for pressing the upper frame of the air filter bracket in the vertical direction. The mounting base extends to the rear and is equipped with fixed brackets on both the left and right sides. The fixed brackets are equipped with blocks and pneumatic clamps for clamping the right side frame of the air filter bracket in the front and rear directions.

2. The welding fixture for an air filter bracket assembly according to claim 1, characterized in that: The movable support that can slide in opposite directions has the following structure: a track is provided on the mounting base plate; the movable support includes a base plate; a slider that engages with the track is provided at the bottom of the base plate; upright plates are provided on both sides of the base plate; a vertical plate is fixed at the lower end between the two upright plates; cylinders are provided on the opposite sides of the two vertical plates; the movable support slides on the mounting base plate by extending and retracting the piston rod of the cylinder.

3. The welding fixture for an air filter bracket assembly according to claim 2, characterized in that: A horizontal plate is provided between the two vertical plates above the vertical plate. The tops of the two vertical plates are connected by a top plate. Opening limiting grooves are respectively provided on the horizontal plate and the top plate. An L-shaped baffle is provided near the bottom of the opening limiting groove.

4. The welding fixture for an air filter bracket assembly according to claim 3, characterized in that: The specific structure of the tensioning mechanism is as follows: a second vertical plate is provided on the vertical plate between the horizontal plate and the top plate; cylinders are respectively provided on the opposite sides of the second vertical plate; the telescopic end of the cylinder slides out of the second vertical plate and a disc is fixed at the end; hinge seats are symmetrically provided on the disc; tensioning rods are hinged on the hinge seats; waist-shaped holes are provided on the tensioning rods; a rotating shaft slides through the waist-shaped holes; the rotating shaft is installed on the surface of the second vertical plate through two parallel plates; a pressure plate is fixed to the front end of the tensioning rod near the second vertical plate.

5. The welding fixture for an air filter bracket assembly according to claim 3 or 4, characterized in that: The top plate surface is provided with an inverted U-shaped plate, a manual clamping device is provided on the top of the U-shaped plate, and a manual spring pin is provided on one side of the U-shaped plate for detecting the position of the positioning hole of the upper frame of the air filter bracket.

6. The welding fixture for an air filter bracket assembly according to claim 1, 2, 3, or 4, characterized in that: The fixed bracket includes a base and upright plates fixed on the base. The blocks are respectively in the middle and top of the upright plates. On the opposite sides of the two upright plates, there are mounting plates extending in opposite directions. On the mounting plates, there are cylinders and U-shaped plates. The pneumatic clamp is supported and connected through the U-shaped plates. On the opposite sides of the two upright plates, there are vertical reinforcing ribs.

7. The welding fixture for an air filter bracket assembly according to claim 6, characterized in that: The mounting base plate is equipped with a pipe-through protective cover and a chip removal and weight reduction groove in the middle, and multiple air passage control valves are provided on one side of the mounting base plate.

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