阅读说明：本技术 一种热风焊接设备 (Hot air welding equipment ) 是由 桑关祥 于 2019-09-12 设计创作，主要内容包括：本发明涉及热风焊接技术领域,且公开了一种热风焊接设备,包括进风管和出风管,进风管中固定设置有电热丝,出风管的上部铰接有磁板,磁板与出风管之间固定连接有第一弹簧,出风管的内部设置有通风管,出风管的内部固定连接有固定轴,通风管的外圈由内到外依次设置有第一金属片和第二金属片,第一金属片和第二金属片套接在固定轴上,固定轴上且位于第二金属片与出风管的内壁之间设置有第二弹簧。该热风焊接设备,可实现当温度不断升高时,因第一金属片和第二金属片组合体的受热膨胀会使通风管受到挤压,减小通风管的通风口径,具备能在出风温度过高时自动调节,且能在风力过大时自动调节的优点。(The invention relates to the technical field of hot air welding, and discloses hot air welding equipment which comprises an air inlet pipe and an air outlet pipe, wherein a heating wire is fixedly arranged in the air inlet pipe, the upper part of the air outlet pipe is hinged with a magnetic plate, a first spring is fixedly connected between the magnetic plate and the air outlet pipe, a ventilation pipe is arranged inside the air outlet pipe, a fixed shaft is fixedly connected inside the air outlet pipe, a first metal sheet and a second metal sheet are sequentially arranged on the outer ring of the ventilation pipe from inside to outside, the first metal sheet and the second metal sheet are sleeved on the fixed shaft, and a second spring is arranged on the fixed shaft and positioned between the second metal sheet and the inner wall of the air outlet pipe. This hot-blast welding equipment can realize when the temperature constantly risees, can make the ventilation pipe receive the extrusion because of the thermal expansion of first sheetmetal and second sheetmetal composite, reduces the ventilation bore of ventilation pipe, possesses ability automatically regulated when the air-out temperature is too high, and can be at wind-force advantage of automatically regulated when too big.)

1. The utility model provides a hot-blast welding equipment, includes air-supply line (1), its characterized in that: the air inlet pipe is characterized in that a heating wire (3) is fixedly arranged in the air inlet pipe (1), an air outlet pipe (2) is fixedly connected below the air inlet pipe (1), magnetic plates (4) are hinged to the left side and the right side of the inner wall of the air outlet pipe (2), a first spring (5) is fixedly connected between each magnetic plate (4) and the air outlet pipe (2), a limiting rod (6) is fixedly connected to the inner part of the air outlet pipe (2) and is positioned above each magnetic plate (4), the inner wall of the air outlet pipe (2) is fixedly connected with one end of an upper connecting rod (9), the other end of the upper connecting rod (9) is fixedly connected with an upper fixing sleeve (8), a ventilation pipe (7) is connected between the two groups of upper fixing sleeves (8), the lower part of the ventilation pipe (7) is connected with a lower fixing sleeve (14), the lower fixing sleeve (14) is connected with the air outlet pipe (2, the outer ring of the ventilation pipe (7) is sequentially provided with a first metal sheet (11) and a second metal sheet (12) from inside to outside, the first metal sheet (11) and the second metal sheet (12) are sleeved on the fixed shaft (10), and a second spring (13) is arranged on the fixed shaft (10) and between the second metal sheet (12) and the inner wall of the air outlet pipe (2).

2. The hot air welding apparatus according to claim 1, characterized in that: the vertical section of the air outlet pipe (2) is in an inverted trapezoid shape.

3. The hot air welding apparatus according to claim 1, characterized in that: the ventilation pipe (7) is a hose and is made of heat-resistant materials.

4. The hot air welding apparatus according to claim 1, characterized in that: the expansion degree of the first metal sheet (11) after being heated is smaller than that of the second metal sheet (12) after being heated.

5. The hot air welding apparatus according to claim 1, characterized in that: and a combination body of the first metal sheet (11) and the second metal sheet (12) is provided with a hole.

6. The hot air welding apparatus according to claim 1, characterized in that: an upper convex ring (16) is arranged at the upper end of the ventilation pipe (7), and a lower convex ring (17) is arranged at the lower part of the ventilation pipe (7).

7. The hot air welding apparatus according to claim 1, characterized in that: the magnetic poles of the lower surfaces of the two groups of magnetic plates (4) are the same.

Technical Field

The invention relates to the technical field of hot air welding, in particular to hot air welding equipment.

Background

The hot air welding is a construction method for lapping and bonding the waterproof coiled material by adopting a hot air welding gun. When the hot air flow is directly blown to the joint area, the filler wire which is the same as the base metal and is arranged in the joint area is melted, so that the filler material and the welded plastic are melted together to form a welding seam.

The existing hot air welding guns are mostly provided with gears to enable hot air with different temperatures and wind power to flow out of an air outlet pipe, but are mostly not provided with a time control mechanism or an automatic adjusting mechanism when the temperature is too high, and the time control mechanism can only be controlled by a human switch.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides hot air welding equipment which has the advantages of automatic adjustment when the air outlet temperature is too high and automatic adjustment when the wind power is too high, and solves the problems that the existing device cannot automatically adjust when the air outlet temperature is too high and cannot automatically adjust when the wind power is too high.

(II) technical scheme

In order to achieve the purposes of automatically adjusting when the air outlet temperature is too high and automatically adjusting when the wind power is too high, the invention provides the following technical scheme: the utility model provides a hot-blast welding equipment, including the air-supply line, the fixed heating wire that is provided with in the air-supply line, the below fixedly connected with of air-supply line goes out the tuber pipe, it has the magnetic sheet all to articulate on both sides on the upper portion inner wall of tuber pipe, the first spring of fixedly connected with between magnetic sheet and the play tuber pipe, the inside top fixedly connected with gag lever post that is located the magnetic sheet that goes out the tuber pipe, the inner wall that goes out the tuber pipe and the one end fixed connection of last connecting rod, fixed cover on the other end fixedly connected with of last connecting rod, be connected with the ventilation pipe between two sets of fixed covers, the lower part of ventilation pipe is connected with fixed cover down, fixed cover is connected with the tuber pipe through lower connecting rod down, the inside fixedly connected with fixed axle that goes out the tuber pipe, the outer lane of ventilation pipe has set gradually first sheetmetal and second sheetmetal outside to by interior, first sheetmetal and second sheetmetal cup.

Preferably, the vertical section of the air outlet pipe is in an inverted trapezoid shape, so that the wind power of the air outlet below is favorably concentrated.

Preferably, the ventilation pipe is a hose and is made of heat-resistant materials, and the ventilation pipe is extruded by a combination of the first metal sheet and the second metal sheet.

Preferably, the expansion degree of the first metal sheet after being heated is smaller than that of the second metal sheet after being heated, so that the combination of the first metal sheet and the second metal sheet shrinks inwards to extrude the ventilation pipe when being heated.

Preferably, a hole is formed in a combination body of the first metal sheet and the second metal sheet, and the combination body is favorably matched and connected with the fixed shaft.

Preferably, the upper end of the ventilation pipe is provided with an upper convex ring, and the lower part of the ventilation pipe is provided with a lower convex ring, so that the ventilation pipe is favorably fixed by matching the upper fixing sleeve and the lower fixing sleeve.

Preferably, the magnetic poles of the lower surfaces of the two groups of magnetic plates are the same, so that the two groups of magnetic plates are mutually repelled.

Advantageous effects

Compared with the prior art, the invention provides hot air welding equipment which has the following beneficial effects:

1. this hot-blast welding equipment, inside through going out the tuber pipe is provided with the ventilation pipe, and the ventilation pipe is the hose and makes for heat-resisting material, and be provided with first sheetmetal and second sheetmetal that the laminating is in the same place in the outer lane of ventilation pipe, and the expansion degree after first sheetmetal is heated is less than the expansion degree after the second sheetmetal is heated, just can realize when the temperature constantly risees, the expansion of being heated because of first sheetmetal and second sheetmetal composite can make the ventilation pipe receive the extrusion, thereby the ventilation bore of ventilation pipe has been reduced, even the amount of wind that flows out from the tuber pipe in the unit interval reduces, the amount of wind reduces then the temperature of corresponding welding department also can reduce to some extent.

2. This hot-blast welding equipment, upper portion through going out the tuber pipe is provided with the magnetic sheet, the magnetic sheet is articulated mutually with the play tuber pipe, and the first spring of fixedly connected with between magnetic sheet and the play tuber pipe, again because the magnetic pole of the lower surface of two sets of magnetic sheets is the same, then under normal conditions two sets of magnetic sheets can be drawn close to the inner wall direction of air outlet pipe because of mutual repulsion force, and the gag lever post of top can restrict the position of magnetic sheet, when the wind-force that flows into the tuber pipe from the air-supply line is too big, will blow the magnetic sheet and draw close to the centre, thereby the ventilation bore who goes out the tuber pipe has been reduced, then the wind-force of the air outlet department outflow from the tuber pipe can reduce.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a top cross-sectional view of a first metal sheet in connection with a second metal sheet and a stationary shaft in accordance with the present invention;

fig. 3 is a top cross-sectional view of the connection of the vent tube with the upper harness of the present invention.

In the figure: 1-an air inlet pipe, 2-an air outlet pipe, 3-an electric heating wire, 4-a magnetic plate, 5-a first spring, 6-a limiting rod, 7-a ventilation pipe, 8-an upper fixing sleeve, 9-an upper connecting rod, 10-a fixing shaft, 11-a first metal sheet, 12-a second metal sheet, 13-a second spring, 14-a lower fixing sleeve, 15-a lower connecting rod, 16-an upper convex ring and 17-a lower convex ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a hot air welding device comprises an air inlet pipe 1, wherein a heating wire 3 is fixedly arranged in the air inlet pipe 1, the heating wire 3 can heat air, an air outlet pipe 2 is fixedly connected below the air inlet pipe 1, the vertical section of the air outlet pipe 2 is inverted trapezoid, which is beneficial to the concentration of the wind power of an air outlet below, magnetic plates 4 are hinged on the left side and the right side of the inner wall of the upper part of the air outlet pipe 2, a first spring 5 is fixedly connected between the magnetic plates 4 and the air outlet pipe 2, a limiting rod 6 is fixedly connected above the magnetic plates 4 inside the air outlet pipe 2, wherein the magnetic poles of the lower surfaces of the two groups of magnetic plates 4 are the same, so that the two groups of magnetic plates 4 are repelled to be close to the pipe wall direction of the air outlet pipe 2 under normal condition, the inner wall of the air outlet pipe 2 is fixedly connected with one end of an upper connecting rod 9, the other end of, the ventilation pipe 7 is made of a hose and is made of a heat-resistant material, the ventilation pipe 7 is extruded by a combination of a first metal sheet 11 and a second metal sheet 12, so that the ventilation aperture of the ventilation pipe 7 is reduced, the lower part of the ventilation pipe 7 is connected with a lower fixing sleeve 14, the lower fixing sleeve 14 is connected with the air outlet pipe 2 through a lower connecting rod 15, a fixing shaft 10 is fixedly connected inside the air outlet pipe 2, a first metal sheet 11 and a second metal sheet 12 are sequentially arranged on the outer ring of the ventilation pipe 7 from inside to outside, the first metal sheet 11 and the second metal sheet 12 are sleeved on the fixing shaft 10, the expansion degree of the first metal sheet 11 after being heated is smaller than that of the second metal sheet 12 after being heated, the combination of the first metal sheet 11 and the second metal sheet 12 can shrink inwards to extrude the ventilation pipe 7 when being heated, holes are formed in the combination of the first metal sheet 11 and the second metal sheet 12, can be favorable to being connected with the fixed axle 10 cooperatedly, be provided with second spring 13 on the fixed axle 10 and between the inner wall that is located second sheetmetal 12 and goes out tuber pipe 2, wherein, the upper end of ventilation pipe 7 is provided with protruding circle 16, and the lower part of ventilation pipe 7 is provided with protruding circle 17 down, does benefit to and cooperatees upper and lower fixed cover 8, 14 and fixes ventilation pipe 7.

The working principle is as follows: heated air flows into the air outlet pipe 2 from the air inlet pipe 1, the ventilation pipe 7 is arranged inside the air outlet pipe 2, the ventilation pipe 7 is made of a hose and is made of a heat-resistant material, the outer ring of the ventilation pipe 7 is provided with the first metal sheet 11 and the second metal sheet 12 which are attached together, the expansion degree of the first metal sheet 11 after being heated is smaller than that of the second metal sheet 12 after being heated, when the temperature is continuously increased, the ventilation pipe 7 can be extruded due to the heated expansion of the first metal sheet 11 and the second metal sheet 12, so that the ventilation caliber of the ventilation pipe 7 is reduced, even if the air quantity flowing out of the air outlet pipe 2 in unit time is reduced, the air quantity is reduced, and the temperature of a corresponding welding part can also be reduced.

The upper portion of air-out pipe 2 is provided with magnetic sheet 4, magnetic sheet 4 is articulated mutually with air-out pipe 2, and the first spring 5 of fixedly connected with between magnetic sheet 4 and the air-out pipe 2, again because the magnetic pole of the lower surface of two sets of magnetic sheets 4 is the same, then under normal condition two sets of magnetic sheets 4 can be drawn close to the inner wall direction of air-out pipe 2 because of mutual repulsion force, and gag lever post 6 of top can restrict the position of magnetic sheet 4, when the wind-force that flows into air-out pipe 2 from air-supply line 1 is too big, will blow magnetic sheet 4 to the centre and draw close, thereby the ventilation bore of air-out pipe 2 has been reduced, then the wind-force of flowing out from the air outlet department of air-out pipe 2 can reduce.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.