Welding fume collecting device

Abstract

The utility model discloses a welding fume collecting device. Comprising a base column fixed to the ground, a base sleeve arranged on the surface of the base column in a sleeving mode, a supporting rod fixed to the surface of the right side of the base sleeve, a supporting sleeve arranged on the surface of the supporting rod in a sleeving mode, a hollow cover base fixed to the rear surface of the supporting sleeve, a negative pressure air pipe connected to the top of the hollow cover base and connected with an external negative pressure air source, and a smoke suction cover installed at the bottom of the hollow cover base. The height adjusting mechanism comprises a movable sleeve arranged on the surface of the left end of the supporting rod in a sliding and sleeving mode. According to the welding fume collecting device, a welding fume collecting device in the prior art is improved and optimized, and structures such as the base sleeve and the height adjusting mechanism are additionally arranged on the basis of the original structure technology, so that an operator can adaptively adjust the height of the fume sucking cover up and down according to actual welding requirements and environments in the using process; and the use flexibility and convenience of the whole welding fume collecting device are improved, the adjusting mode is rapid and convenient, and operation is easy.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of smoke collection, specifically relates to a welding smoke collecting device. BACKGROUND

[0002] In modern industrial production, welding operation is the key link of connecting metal parts, however, a large amount of smoke is generated in the welding process, these smoke contains metal oxide, harmful gas and other harmful substances, in order to deal with the harm of welding smoke, welding fume collector emerges as the times require. Welding fume collector is a kind of environmental protection equipment specially used for collecting and processing welding smoke, and its working principle is mainly based on negative pressure air suction technology, when welding operation generates smoke, welding fume collector passes through specially set suction port and gas collecting hood, utilizes negative pressure air suction principle, and the smoke generated in the welding area is rapidly sucked into the collecting pipeline, and then discharged outdoor after preliminary filtration, such as the welding smoke collecting device disclosed in the prior patent with publication number CN211757494U. The smoke collecting device includes a dust removal cover, a dust collection equipment communicated with the dust removal cover, the dust removal cover is conical, the cover opening of the conical dust removal cover faces downward, and is used for covering welding equipment, it can be seen that the application described in the application is a device for collecting and discharging welding smoke by negative pressure dust collection technology.

[0003] The welding smoke collecting device in the prior art is mostly arranged at a fixed height by a support rod when actually used, without designing a corresponding adjusting mechanism, so that subsequent operating personnel cannot adaptively adjust the height of the smoke suction cover according to actual welding environment and use demand, the use flexibility of the whole welding smoke collecting device is reduced, and there are certain disadvantages, therefore, the prior welding smoke collecting device needs to be improved and optimized. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a welding smoke collecting device to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a welding smoke collecting device, comprising

[0006] The base column is fixed on the ground, the base sleeve is sleeved on the surface of the base column, the support rod is fixed on the right surface of the base sleeve, the support sleeve is sleeved on the surface of the support rod, the hollow cover seat is fixed on the back surface of the support sleeve, the negative pressure air pipe is connected to the hollow cover seat top and connected to the external negative pressure air source, and the smoke suction cover is installed on the bottom of the hollow cover seat.

[0007] And the height adjusting mechanism, including the movable sleeve of the sliding sleeve set in the left end surface of the support rod, the top rod fixed on the top surface of the movable sleeve, the limiting rod fixed on the left side surface of the top rod, a plurality of limiting holes corresponding to the limiting rod are opened on the surface of the base column, the left end of the limiting rod penetrates one of the limiting holes to the left side of the base column.

[0008] Preferably, the height adjusting mechanism further comprises a limiting structure arranged between the base sleeve and the movable sleeve.

[0009] Preferably, the limiting structure comprises a bracket fixed on the right side surface of the base sleeve, and the bracket is located at the bottom of the movable sleeve, an inner groove is opened in the inner part of the bracket, a spring and a telescopic clamping ball are arranged in the inner groove, a circular clamping groove corresponding to the telescopic clamping ball is opened on the bottom surface of the movable sleeve, and the telescopic clamping ball is movably installed in the inner groove through the spring, and the top end of the telescopic clamping ball pops into the circular clamping groove.

[0010] Preferably, the bottom end of the spring is fixed on the inner wall at the bottom end of the inner groove, and the top end of the spring is fixed with the telescopic clamping ball.

[0011] Preferably, the transverse adjusting structure is arranged between the support sleeve and the support rod.

[0012] Preferably, the transverse adjusting structure comprises a fixed bolt and a bolt hole, a plurality of bolt holes corresponding to the fixed bolt are opened on the front surface of the support rod, and the fixed bolt is threadedly connected to the front surface of the support sleeve, and the rear end of the fixed bolt is inserted into one of the bolt holes.

[0013] Preferably, a threaded hole corresponding to the fixed bolt is opened on the front surface of the support sleeve.

[0014] Preferably, the bottom end of the base column is welded with a bottom plate, and the bottom plate is fixed to the ground through a plurality of anchor bolts.

[0015] Compared with the prior art, the welding smoke collecting device is improved and optimized, the base sleeve and the height adjusting mechanism are added to the original structure technology, so that the height of the smoke suction cover can be adaptively adjusted up and down according to the actual welding requirements and environment during use, the use flexibility and convenience of the whole welding smoke collecting device are improved, and the adjusting mode is quick and convenient and easy to operate. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a structural schematic view of the utility model Figure 1 It is a local enlarged view of A area in the utility model;

[0018] Figure 3 Figure is the section view of the connection between the movable sleeve and the support seat of the utility model;

[0019] In the figure: 1, smoke cover; 2, hollow cover seat; 3, negative pressure air pipe; 4, base column; 5, base sleeve; 6, support rod; 61, bolt hole; 7, support sleeve; 71, fixing bolt; 8, height adjusting mechanism; 81, movable sleeve; 82, top rod; 83, limiting rod; 84, limiting hole; 85, support seat; 86, inner groove; 87, spring; 88, telescopic ball; 89, circular clamping groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Embodiment 1

[0022] Please refer to Figures 1 to 3 , the first embodiment of the utility model provides a kind of technical scheme: a welding smoke collecting device, comprising

[0023] Base column 4 is fixed on the ground, base sleeve 5 is sleeved on the surface of base column 4, support rod 6 is welded and fixed on the right side surface of base sleeve 5, support sleeve 7 is sleeved on the surface of support rod 6, hollow cover seat 2 is welded and fixed on the back surface of support sleeve 7, negative pressure air pipe 3 is connected on the top of hollow cover seat 2 and connected with external negative pressure gas source, smoke cover 1 is installed on the bottom of hollow cover seat 2, in later use, smoke cover 1 can be placed above welding area, then start external negative pressure gas source, so that the smoke generated during welding can be sucked into smoke cover 1, then discharged through negative pressure air pipe 3, complete negative pressure collection to welding smoke;

[0024] And the height adjusting mechanism 8, including the movable sleeve 81 which is sleeved on the left end surface of the supporting rod 6, the top rod 82 which is welded on the top surface of the movable sleeve 81, the limiting through rod 83 which is welded on the left side surface of the top rod 82, the plurality of limiting through holes 84 which are arranged on the surface of the base column 4 and correspond to the limiting through rod 83, the left end of the limiting through rod 83 is arranged through one of the limiting through holes 84 to the left side of the base column 4, the supporting rod 6 and the base sleeve 5 can be effectively supported, and meanwhile, the operator can separate the limiting through rod 83 from the base column 4 by sliding the movable sleeve 81 to the right, so that the limiting function is released, the base sleeve 5 and the supporting rod 6 can be adjusted up and down, the height of the smoking cover 1 can be adjusted adaptively, when the smoking cover 1 is adjusted to the appropriate height, the movable sleeve 81 is pushed back again, so that the left end of the limiting through rod 83 can be arranged through the limiting through hole 84 at other positions, the limiting function of the base sleeve 5 and the supporting rod 6 can be realized again, and the height adjustment of the smoking cover 1 is completed.

[0025] In the embodiment, preferably, the height adjusting mechanism 8 further comprises a limiting structure, the limiting structure is arranged between the base sleeve 5 and the movable sleeve 81, the limiting structure comprises the bracket 85 which is welded on the right side surface of the base sleeve 5 and is arranged at the bottom of the movable sleeve 81, the inner groove 86 is arranged in the bracket 85, the spring 87 and the telescopic clamping ball 88 are arranged in the inner groove 86, the circular clamping groove 89 which corresponds to the telescopic clamping ball 88 is arranged on the bottom surface of the movable sleeve 81, the telescopic clamping ball 88 is movably arranged in the inner groove 86 through the spring 87, and the top end of the telescopic clamping ball 88 is arranged in the circular clamping groove 89, so that the movable sleeve 81 can be clamped and limited in daily use, and the position stability of the movable sleeve 81, the top rod 82 and the limiting through rod 83 is ensured, when the height of the smoking cover 1 needs to be adjusted in the later period, the movable sleeve 81 is pushed to the right, so that the top end of the telescopic clamping ball 88 is gradually pressed into the inner groove 86, and then the movable sleeve 81 and the top rod 82 can be smoothly slid.

[0026] In the embodiment, preferably, the bottom end of the spring 87 is fixed to the inner wall at the bottom of the inner groove 86, and the top end of the spring 87 is fixed to the telescopic clamping ball 88.

[0027] In the embodiment, preferably, the bottom plate is welded to the bottom end of the base column 4, and the bottom plate is fixed to the ground through the plurality of anchor bolts.

[0028] Embodiment 2

[0029] Please refer to Figures 1 to 3 As the second embodiment of the utility model, the embodiment is based on the previous embodiment, and the difference is that the transverse adjusting structure is arranged, so that the transverse adjustment of the position of the smoking cover 1 is facilitated.

[0030] Specifically, the transverse adjusting structure is arranged between the support sleeve 7 and the support rod 6, and the transverse adjusting structure comprises a fixing bolt 71 and a bolt hole 61; the front surface of the support rod 6 is provided with a plurality of bolt holes 61 corresponding to the fixing bolt 71; the front surface of the support sleeve 7 is threadedly connected with the fixing bolt 71, and the rear end of the fixing bolt 71 is inserted into one of the bolt holes 61; the fixing bolt 71 is used for stably fixing the support sleeve 7 during daily use; if the position of the smoking cover 1 needs to be adjusted later, the fixing bolt 71 is only needed to be rotated and removed, then the support sleeve 7 can be slid on the surface of the support rod 6 in the transverse direction, the position of the smoking cover 1 is adjusted, the fixing bolt 71 is installed again when the position is adjusted to the appropriate position, and the rear end of the fixing bolt 71 can be inserted into the bolt hole 61 at other positions.

[0031] In the embodiment, preferably, the front surface of the support sleeve 7 is provided with a threaded hole corresponding to the fixing bolt 71, so that the fixing bolt 71 can be threadedly connected with the support sleeve 7.

[0032] Although the embodiments of the utility model have been shown and described (see the above detailed description), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A welding fume collection device characterized by: The utility model relates to a height-adjustable smoke suction device The height-adjustable smoke suction device comprises a base column (4) fixed on the ground, a base sleeve (5) sleeved on the surface of the base column (4), a supporting rod (6) fixed on the right side surface of the base sleeve (5), a supporting sleeve (7) sleeved on the surface of the supporting rod (6), a hollow cover base (2) fixed on the rear surface of the supporting sleeve (7), a negative pressure air pipe (3) connected to the hollow cover base (2) and connected to a negative pressure source outside, and a smoke suction cover (1) installed at the bottom of the hollow cover base (2). The height-adjustable smoke suction device further comprises a height-adjusting mechanism (8) which comprises a movable sleeve (81) slidably sleeved on the left end surface of the supporting rod (6), a top rod (82) fixed on the top surface of the movable sleeve (81), a limiting rod (83) fixed on the left side surface of the top rod (82), and a plurality of limiting holes (84) corresponding to the limiting rod (83) and arranged on the surface of the base column (4), wherein the left end of the limiting rod (83) penetrates one of the limiting holes (84) and extends to the left side of the base column (4).

2. A welding fume collection device according to claim 1, wherein: The height-adjusting mechanism (8) further comprises a limiting structure arranged between the base sleeve (5) and the movable sleeve (81).

3. A welding fume collection device according to claim 2, wherein: The limiting structure comprises a bracket (85) fixed on the right side surface of the base sleeve (5), wherein the bracket (85) is arranged at the bottom of the movable sleeve (81), the inner part of the bracket (85) is provided with an inner groove (86), the inner groove (86) is provided with a spring (87) and a telescopic clamping ball (88), the bottom surface of the movable sleeve (81) is provided with a circular clamping groove (89) corresponding to the telescopic clamping ball (88), and the telescopic clamping ball (88) is movably arranged in the inner groove (86) through the spring (87), and the top end of the telescopic clamping ball (88) protrudes into the circular clamping groove (89).

4. A welding fume collection device according to claim 3, wherein: The bottom end of the spring (87) is fixed to the inner wall at the bottom end of the inner groove (86), and the top end of the spring (87) is fixed to the telescopic clamping ball (88).

5. A welding fume collection device according to claim 1, wherein: The height-adjustable smoke suction device further comprises a transverse adjusting structure arranged between the supporting sleeve (7) and the supporting rod (6).

6. A welding fume collection device according to claim 5, wherein: The transverse adjusting structure comprises a fixing bolt (71) and a bolt hole (61), the front surface of the supporting rod (6) is provided with a plurality of bolt holes (61) corresponding to the fixing bolt (71), and the front surface of the supporting sleeve (7) is threadedly connected with the fixing bolt (71), and the rear end of the fixing bolt (71) is inserted into one of the bolt holes (61).

7. A welding fume collection device according to claim 6, wherein: The front surface of the supporting sleeve (7) is provided with a threaded hole corresponding to the fixing bolt (71).

8. A welding fume collection device according to claim 1, wherein: The bottom end of the base column (4) is welded with a bottom plate, and the bottom plate is fixed to the ground through a plurality of anchor bolts.

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