Novel welding negative pressure box structure

Abstract

The utility model discloses a novel welding negative pressure box structure, which relates to the technical field of welding auxiliary equipment, aims to solve the technical problem that the inner filter surface of the current welding negative pressure box is small, and comprises a negative pressure box main body. Through the designed structures such as the bottom disc, the flow guide cover and the top disc, a plurality of groups of equidistant open slots are formed in the periphery of the opposite sides of the bottom disc and the top disc, and the fixed plates are movably mounted in the open slots, so that a plurality of groups of filter elements can be circumferentially and movably arranged between the bottom disc and the top disc; then welding fume and harmful gas absorbed from the outside enter the flow guide cover and then enter the corresponding filter elements through the round holes in the top of the top disc to be purified and filtered, so that the treatment effect of multi-filter-element flow guide filtering can be achieved under the cooperation of the bottom disc, the flow guide cover, the top disc and other structures; the filtering surface area can be greatly increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding auxiliary equipment technical field more specifically, relate to a novel welding negative pressure box structure. BACKGROUND

[0002] In the welding operation, a large amount of smoke and harmful gas will be produced, if not effectively collected and treated, not only the health of the operator will be seriously harmed, but also the working environment will be polluted, therefore, the gas and smoke produced in the welding process need to be purified and treated, and the welding negative pressure box is commonly used, the welding negative pressure box utilizes the built-in high-pressure fan to form a negative pressure area at the suction arm cover mouth, when the fan works, negative pressure will be generated at the suction arm cover mouth, so that the welding smoke is sucked into the equipment main body under the action of negative pressure, thereby achieving the purpose of collecting and treating the welding smoke.

[0003] The existing welding negative pressure box is usually provided with a single filter element to purify and filter the absorbed welding smoke and harmful gas, the overall filtering area of the single filter element is small, and the filtering material on the filter surface will increase in a short time, thereby affecting the air flow performance, this condition will cause the power consumption of the equipment to increase, and also easily affect the absorption effect of the welding smoke and harmful gas, so that the filtering effect is not ideal, in view of this, the utility model provides a novel welding negative pressure box structure. UTILITY MODEL CONTENTS

[0004] The utility model discloses a novel welding negative pressure box structure that overcomes the shortcomings of the prior art and meets the practical needs, to solve the technical problem of the small filter surface in the current welding negative pressure box.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a novel welding negative pressure box structure, including the negative pressure box main part, the inside central arrangement of negative pressure box main part has the partition board, the inside through the partition board of negative pressure box main part is divided into lower chamber and upper chamber, the upper chamber inner bottom center rotation arrangement has bottom disc, the upper chamber inner top rotation arrangement has the fairwater cover, the fairwater cover bottom arrangement has top disc, the bottom disc and top disc opposite side one week arrangement has a plurality of groups equidistance's open slot, the bottom disc and top disc are between through the open slot and be arranged in a circle with a plurality of groups filter element, the top disc top one week arrangement has with the round hole that filter element top mouth corresponds, the open slot inside inserts and has fixed plate;

[0006] The inner bottom of the open slot on the bottom disc is arranged with an open circular groove, a top fixing disc is placed in the circular groove, an L-shaped push plate is movably arranged on the bottom of the top fixing disc, and a top block is arranged on the bottom edge of the fixed plate in the open slot on the bottom disc.

[0007] The utility model discloses a bottom disc, fairing, top disc and other structures are designed, and a plurality of groups of equidistance opening grooves are arranged on the opposite side of bottom disc and top disc, and the fixed plate is movably installed in the opening groove, therefore, a plurality of groups of filter elements can be arranged in the circumferential form between bottom disc and top disc, then the welding fume and harmful gas absorbed outside enter the fairing, then enter the corresponding filter element inside through the round hole on the top of top disc and carry out purification filtering treatment, therefore, under the cooperation of bottom disc, fairing, top disc and other structures, the processing effect of multiple filter element fairing filtering can be realized, the filter area can be greatly increased, the filter material accumulation caused by small filter area is avoided, the airflow circulation performance condition is reduced, the equipment can stably filter and purify the welding fume and harmful gas for a long time, and the power consumption is not increased.

[0008] Preferably, the height of the top fixing disc is same with the height of the round groove, the bottom of the top fixing disc is arranged with a rectangular groove, and the top of the rectangular groove is arranged with a plurality of groups of equidistance triangular plates.

[0009] Preferably, the top of the L-shaped pushing plate is provided with a plurality of groups of triangular grooves, and the triangular grooves are symmetrically arranged with the triangular plates.

[0010] Preferably, the top center of the negative pressure box body is arranged with a docking port, the top center of the fairing is arranged with a docking port, the docking port is rotatably arranged in the docking port, the two sides of the partition plate are arranged with a rectangular second through hole, the center of the partition plate is arranged with a circular first through hole, the center of the bottom disc is arranged with a wind guide hole, the wind guide hole is docked with the first through hole, and the front side of the negative pressure box body is hingedly arranged with a box door.

[0011] Preferably, the rear side of the lower cavity is arranged with an exhaust port, and the negative pressure fan is arranged at the exhaust port in the lower cavity.

[0012] Preferably, the two sides of the fixed plate are arranged with a limiting strip, and the two sides of the opening groove are arranged with a limiting groove.

[0013] Preferably, the top edge of the fixed plate is arranged with an arc-shaped plate, both ends of the arc-shaped plate are arranged with a plug rod, the plug rod penetrates through the fixed plate, a spring is sleeved on the top of the plug rod, and a plug hole corresponding to the plug rod is arranged on the bottom of the opening groove.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1、The bottom disc, the flow guide cover, the top disc and other structures are designed, a plurality of groups of equidistant opening grooves are arranged on the opposite sides of the bottom disc and the top disc, and the fixed plate is movably installed in the opening groove, therefore, a plurality of groups of filter elements can be arranged in the circumferential form between the bottom disc and the top disc, then the welding fume and harmful gas absorbed outside enters the flow guide cover, and then enters the corresponding filter element through the circular hole at the top of the top disc to be purified and filtered, therefore, under the cooperation of the bottom disc, the flow guide cover, the top disc and other structures, the multi-filter-element flow guide filtering treatment effect can be realized, the filter area can be greatly increased, the accumulation of filtered matters due to the small filter area is avoided, the airflow circulation performance is reduced, the stable filtering and purification treatment of the welding fume and harmful gas can be ensured, power consumption is not increased, the technical problem of the small filter area in the welding negative pressure box is solved, therefore, the utility model has the advantages of stable filtering and purification treatment of the welding fume and harmful gas.

[0016] 2、The opening groove bottom is provided with an open circular groove, the top fixing disc and the L-shaped push plate are arranged in the circular groove, the top block matched with the L-shaped push plate is arranged on the fixed plate in the bottom disc, therefore, after the fixed plate is inserted into the opening groove of the bottom disc, the top block of the fixed plate pushes the L-shaped push plate, with the movement of the L-shaped push plate, the triangular groove on the L-shaped push plate cooperates with the triangular plate at the bottom of the top fixing disc, the top fixing disc is moved upward, the top fixing disc can directly exert an upward pushing force on the filter element, the top of the filter element is tightly pressed in the opening groove of the top disc, the sealing effect of the filter element top opening and the circular hole is ensured, the welding fume and harmful gas can stably enter the corresponding filter element to be purified and filtered, and the stability of the filtering and purification treatment of the welding fume and harmful gas is further ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is a sectional structure schematic view of the utility model;

[0019] Figure 3The utility model discloses a bottom disc, fairing, top disc and filter core structure schematic view.

[0020] Figure 4 The utility model discloses a negative pressure tank main body structure schematic view.

[0021] Figure 5 The utility model discloses a bottom disc structure schematic view.

[0022] Figure 6 The utility model discloses a top fixed disc and L type push plate structure schematic view.

[0023] Figure 7 The utility model discloses a fixed plate structure schematic view.

[0024] Mark explanation in drawing:

[0025] 1, negative pressure tank main body, 101, partition, 102, lower cavity, 103, upper cavity, 104, butt joint, 105, air outlet, 106, tank door, 107, first through -hole, 108, second through -hole, 2, negative pressure fan, 3, bottom disc, 301, air -guiding hole, 4, fairing, 401, butt joint port, 5, top disc, 501, round hole, 6, filter core, 7, open slot, 701, limit slot, 702, jack, 703, round groove, 8, fixed plate, 801, limit strip, 802, arc plate, 803, plug rod, 804, spring, 9, top fixed disc, 901, rectangular slot, 902, triangular plate, 10, L type push plate, 1001, triangular groove, 11, top block. Specific implementation

[0026] As Figures 1 to 7The utility model relates to a novel welding negative pressure box structure, including negative pressure box main body 1, the inside central arrangement of negative pressure box main body 1 has the partition 101, the inside of negative pressure box main body 1 is divided into lower chamber 102 and upper chamber 103 through the partition 101, the bottom disc 3 is rotationally arranged in the bottom center of upper chamber 103, the top of upper chamber 103 is rotationally arranged and has the fairing 4, the bottom of fairing 4 is arranged with the top disc 5, the opposite side of bottom disc 3 and top disc 5 is arranged with a plurality of groups of equidistant open slot 7, and the bottom disc 3 and top disc 5 are circumferentially arranged with a plurality of groups of filter core 6 through open slot 7, and the top of top disc 5 is arranged with the round hole 501 corresponding with the top mouth of filter core 6, and the open slot 7 is inserted with fixed plate 8;The rear of lower chamber 102 is arranged with the air outlet 105, and the inside of lower chamber 102 is arranged with negative pressure fan 2 at the air outlet 105;The top central of negative pressure box main body 1 is arranged with the docking interface 104, and the top center of fairing 4 is arranged with the docking port 401, and the docking port 401 is rotationally arranged in the inside of docking interface 104, and the both sides of partition 101 are arranged with the second through hole 108 of rectangle, and the center of partition 101 is arranged with the first through hole 107 of circle, and the center of bottom disc 3 is arranged with the air guide hole 301, and the air guide hole 301 is docked with the first through hole 107, and the front of negative pressure box main body 1 is hingedly arranged with the box door 106;

[0027] When the device is used, the filter core 6 can be placed in the open slot 7 corresponding to the bottom disc 3 and the top disc 5, the filter core 6 is inserted into the fixed plate 8 in the open slot 7 after being placed in the open slot 7, so that the filter core 6 is fixed, and a plurality of groups of filter cores 6 can be installed around the bottom disc 3 and the top disc 5, then the negative pressure fan 2 in the negative pressure box main body 1 is controlled to work, the gas in the negative pressure box main body 1 is discharged from the air outlet 105, the negative pressure effect in the negative pressure box main body 1 is realized, then the docking interface 104 can be connected with external dust cover components, at this time, the welding fume and harmful gas generated in the external welding process are sucked into the negative pressure box main body 1 through the external dust cover components, then the welding fume and harmful gas first enter the fairing 4 through the docking port 401, then enter the corresponding filter core 6 through the round hole 501 in the top of the top disc 5 to be purified and filtered, therefore, under the cooperation of the bottom disc 3, the fairing 4, the top disc 5 and other structures, the multi-filter core 6 flow guiding and filtering effect can be realized, the filter area can be greatly increased, the filter material accumulation caused by small filter area can be avoided, the airflow circulation performance can be reduced, the device can stably filter and purify the welding fume and harmful gas for a long time, and the power consumption is not increased.

[0028] Specifically, the fixing plate 8 is arranged with a limiting strip 801 on both sides, and the opening slot 7 is arranged with a limiting groove 701 on both sides; the top edge of the fixing plate 8 is arranged with an arc-shaped plate 802, the arc-shaped plate 802 is arranged with a plug rod 803 at both ends, the plug rod 803 penetrates through the fixing plate 8, the plug rod 803 is sleeved with a spring 804 at the top of the fixing plate 8, and the bottom of the opening slot 7 is arranged with a plug hole 702 corresponding to the plug rod 803; when the fixing plate 8 is inserted, the arc-shaped plate 802 is pulled up, then the fixing plate 8 is inserted into the opening slot 7, the limiting strip 801 of the fixing plate 8 is inserted into the corresponding limiting groove 701, so that the fixing plate 8 is limited, when the fixing plate 8 is completely inserted, the arc-shaped plate 802 is loosened, and the plug rod 803 is reset under the cooperation of the spring 804, at this time, the plug rod 803 is inserted into the plug hole 702, so that the fixing plate 8 is fixed, that is, the top joint fixing of the filter element 6 is realized.

[0029] In the embodiment of the utility model, the inner bottom of the opening slot 7 on the bottom disc 3 is arranged with an open circular groove 703, the circular groove 703 is placed with a top fixing disc 9, the bottom of the top fixing disc 9 is movably arranged with an L-shaped push plate 10, and the bottom edge of the fixing plate 8 in the opening slot 7 on the bottom disc 3 is arranged with a top block 11; the height of the top fixing disc 9 is same with the height of the circular groove 703, the bottom of the top fixing disc 9 is arranged with a rectangular groove 901, and the top of the rectangular groove 901 is arranged with a plurality of groups of equidistant triangular plates 902; the L-shaped push plate 10 is provided with a plurality of groups of triangular grooves 1001 at the top, and the triangular grooves 1001 are symmetrically arranged with the triangular plates 902.

[0030] After the fixing plate 8 is inserted into the opening slot 7 of the bottom disc 3, the top block 11 on the fixing plate 8 will push the L-shaped push plate 10, with the movement of the L-shaped push plate 10, the triangular grooves 1001 on the L-shaped push plate 10 cooperate with the triangular plates 902 at the bottom of the top fixing disc 9, so that the top fixing disc 9 moves upward, then the top fixing disc 9 can directly exert an upward thrust force on the filter element 6, so that the filter element 6 is firmly pressed in the opening slot 7 of the top disc 5, that is, the sealing effect of the top opening of the filter element 6 and the circular hole 501 is guaranteed, so that the welding fume and harmful gas can stably enter the corresponding filter element 6 for purification and filtration treatment, and the stability of the welding fume and harmful gas filtration treatment is further guaranteed.

[0031] Working principle: the embodiment provides a novel welding negative pressure box structure, first, in the use of the device, can be put into the filter core 6 in the bottom disc 3 and the top disc 5 corresponding opening slot 7, when the filter core 6 is put into the opening slot 7, the fixed plate 8 is inserted in the opening slot 7, so as to realize the fixation of the filter core 6, so that a plurality of groups of filter cores 6 can be installed around the bottom disc 3 and the top disc 5, then the negative pressure fan 2 in the negative pressure box main body 1 is controlled to work, the gas in the negative pressure box main body 1 is discharged from the exhaust port 105, the negative pressure effect in the negative pressure box main body 1 is realized, then the interface 104 can be connected with external dust cover and other components, at this time, the welding fume and harmful gas generated in the external welding process are sucked into the negative pressure box main body 1 through the external dust cover assembly, then the welding fume and harmful gas first enter the flow guide cover 4 through the butt joint port 401, then enter the corresponding filter core 6 respectively through the round hole 501 at the top of the top disc 5 for purification and filtration treatment, therefore, under the cooperation of the bottom disc 3, the flow guide cover 4 and the top disc 5, the multi-filter core 6 flow guide filtration treatment effect can be realized, the filter area can be greatly increased, the filter material accumulation caused by small filter area is avoided, the airflow circulation performance is reduced, the device can stably filter and purify the welding fume and harmful gas for a long time, and the power consumption is not increased;

[0032] Secondly, after the fixed plate 8 is inserted into the opening slot 7 of the bottom disc 3, the top block 11 on the fixed plate 8 pushes the L-shaped push plate 10, with the movement of the L-shaped push plate 10, the triangular groove 1001 on the L-shaped push plate 10 cooperates with the triangular plate 902 at the bottom of the top fixing disc 9, so that the top fixing disc 9 moves upward, then the top fixing disc 9 can directly exert an upward thrust force on the filter core 6, so that the filter core 6 is tightly pressed in the opening slot 7 of the top disc 5, that is, the sealing effect of the filter core 6 top and the round hole 501 is guaranteed, the welding fume and harmful gas can stably enter the corresponding filter core 6 for purification and filtration treatment, and the stability of the welding fume and harmful gas filtration treatment is further guaranteed.

[0033] The embodiment of the utility model discloses the preferable embodiment, but is not limited to this, the ordinary skill of the art, the spirit of the utility model is appreciated by the above-mentioned embodiment, and different induction and change are made, but as long as not departing from the spirit of the utility model, all are within the protection scope of the utility model.

Claims

1. A novel structure of a welding negative pressure tank, characterized by, The utility model provides a negative pressure tank, including negative pressure tank body (1), the inside central arrangement of negative pressure tank body (1) has the partition (101), the inside through the partition (101) of negative pressure tank body (1) is divided into lower chamber (102) and upper chamber (103), the inside top rotation of upper chamber (103) is arranged with the bottom disc (3), the inside top rotation of upper chamber (103) is arranged with the fairing (4), the bottom of fairing (4) is arranged with top disc (5), the opposite side of bottom disc (3) and top disc (5) is arranged with a plurality of groups of equidistance opening slot (7), and the bottom disc (3) and top disc (5) are arranged with a plurality of groups of filter core (6) through the opening slot (7) circumferentially, and the top of top disc (5) is arranged with the round hole (501) corresponding with the top mouth of filter core (6), and the inside of opening slot (7) is inserted with fixed plate (8). The inner bottom of opening slot (7) on bottom disc (3) is arranged with open circular groove (703), the inside of circular groove (703) is placed with top fixed disc (9), the bottom of top fixed disc (9) is movably arranged with L type push plate (10), and the bottom edge of fixed plate (8) in opening slot (7) on bottom disc (3) is arranged with top block (11).

2. The novel negative pressure box structure for welding according to claim 1, wherein, The height of top fixed disc (9) is same with the height of circular groove (703), the bottom of top fixed disc (9) is arranged with rectangular groove (901), and the inside top of rectangular groove (901) is arranged with a plurality of groups of equidistance triangular plate (902).

3. The novel negative pressure box structure for welding according to claim 2, wherein, The top of L type push plate (10) is provided with a plurality of groups of triangular groove (1001), and triangular groove (1001) is arranged symmetrically with triangular plate (902).

4. The novel negative pressure box structure for welding according to claim 1, wherein, The top central of negative pressure tank body (1) is arranged with docking port (104), the top center of fairing (4) is arranged with docking port (401), and docking port (401) is rotatably arranged in docking port (104), the both sides of partition (101) are arranged with the second through -hole (108) of rectangle, the center of partition (101) is arranged with the first through -hole (107) of circle, the center of bottom disc (3) is arranged with air guide hole (301), air guide hole (301) is docked with first through -hole (107), and the front side of negative pressure tank body (1) is hingedly arranged with tank door (106).

5. The novel negative pressure box structure for welding according to claim 1, wherein, The rear side of lower chamber (102) is arranged with air outlet (105), and the inside of lower chamber (102) is arranged with negative pressure fan (2) at air outlet (105).

6. The novel negative pressure box structure for welding according to claim 1, wherein The both sides of fixed plate (8) are arranged with limiting strip (801), and the both sides of opening slot (7) are arranged with limiting groove (701).

7. The novel negative pressure box structure for welding according to claim 1, wherein The top edge of fixed plate (8) is arranged with arc plate (802), the both ends of arc plate (802) are arranged with insertion rod (803), insertion rod (803) penetrates fixed plate (8), spring (804) is sleeved on insertion rod (803) at the top of fixed plate (8), and the inside bottom of opening slot (7) is arranged with insertion hole (702) corresponding with insertion rod (803). The height of top fixed disc (9) is same with the height of circular groove (703), the bottom of top fixed disc (9) is arranged with rectangular groove (901), and the inside top of rectangular groove (901) is arranged with a plurality of groups of equidistance triangular plate (902). The top of L type push plate (10) is provided with a plurality of groups of triangular groove (1001), and triangular groove (1001) is arranged symmetrically with triangular plate (902). The top central of negative pressure tank body (1) is arranged with docking port (104), the top center of fairing (4) is arranged with docking port (401), and docking port (401) is rotatably arranged in docking port (104), the both sides of partition (101) are arranged with the second through -hole (108) of rectangle, the center of partition (101) is arranged with the first through -hole (107) of circle, the center of bottom disc (3) is arranged with air guide hole (301), air guide hole (301) is docked with first through -hole (107), and the front side of negative pressure tank body (1) is hingedly arranged with tank door (106). The rear side of lower chamber (102) is arranged with air outlet (105), and the inside of lower chamber (102) is arranged with negative pressure fan (2) at air outlet (105). The both sides of fixed plate (8) are arranged with limiting strip (801), and the both sides of opening slot (7) are arranged with limiting groove (701). The top edge of fixed plate (8) is arranged with arc plate (802), the both ends of arc plate (802) are arranged with insertion rod (803), insertion rod (803) penetrates fixed plate (8), spring (804) is sleeved on insertion rod (803) at the top of fixed plate (8), and the inside bottom of opening slot (7) is arranged with insertion hole (702) corresponding with insertion rod (803).

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