CN216370831U

CN216370831U - Quick clamping fixture for welding rear frame of loader

Info

Publication number: CN216370831U
Application number: CN202122522906.8U
Authority: CN
Inventors: 袁海清
Original assignee: Tianjin Yunying Welding Technology Co ltd
Current assignee: Tianjin Yunying Welding Technology Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-04-26
Anticipated expiration: 2031-10-20

Abstract

The utility model belongs to the field of welding fixtures, and particularly relates to a quick clamping fixture for welding a rear frame of a loader, which comprises a supporting plate and a positioning clamping piece arranged on the top surface of the supporting plate, wherein a plurality of step holes are formed in the supporting plate, plug sockets are fixedly arranged in the step holes, a temperature control mechanism is arranged below the supporting plate, and the temperature control mechanism comprises a bottom plate and a sealing frame fixed on the top surface of the bottom plate; choose the blowout mechanism of corresponding quantity, then peg graft bayonet joint and socket, the adjustment gooseneck, make the shower nozzle towards the welding cooling position, heat electric heating pipe to the assigned temperature, the intake pipe is gaseous to the input in the sealed frame, electric heating pipe is to gaseous heating, then it is intraductal to carry to the gooseneck through the bayonet joint that the grafting has the bayonet joint, and spout to the welding position via shower nozzle 32, and through the gaseous temperature of electric heating pipe control blowout, make the welding position slowly cool off, prevent that it from leading to welding strength to reduce because of the cooling rate is too fast, improve welding quality.

Description

Quick clamping fixture for welding rear frame of loader

Technical Field

The utility model relates to the field of welding fixtures, in particular to a quick clamping fixture for welding a rear frame of a loader.

Background

Welding, also known as fusion and melt welding, is a manufacturing process and technique for joining metals or other thermoplastic materials such as plastics in a heating, high-temperature or high-pressure manner, and when welding a rear frame of a loader, because the rear frame is large in size and has many welding points, a clamping fixture is needed to position and clamp the frame, so that the welding precision is ensured.

Chinese patent discloses a loader rear frame tailor-welding fixing device, (No. CN203526851U), and this patent technology has high positioning accuracy and excellent welding anti-deformation control rate, but its function is single, and only positioning and clamping can be performed, after welding is completed, the welding point cannot be slowly cooled by blowing air, and when the ambient temperature is low, the cooling speed of the welding point is fast, and the welding strength is easily reduced. Therefore, the technical personnel in the field provide the quick clamping fixture for welding the rear frame of the loader so as to solve the problems in the background technology.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a quick clamping fixture for welding a rear frame of a loader, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

quick clamping anchor clamps are used in frame welding behind loader, include the backup pad and install the location holder at its top surface, a plurality of step hole has been seted up in the backup pad, the bayonet socket has all been set firmly in the step hole, the below of backup pad is equipped with accuse temperature mechanism, accuse temperature mechanism includes the bottom plate and fixes the sealed frame at its top surface, sealed frame inside has set firmly electric heating pipe, the long limit in both sides of sealed frame all sets firmly two intake pipes that are used for gas transmission, the intake pipe is connected with external air source, one side of sealed frame has set firmly the relief valve that is used for the pressure release, the backup pad is sealed to set firmly sealed frame top surface, still be equipped with a plurality of in the backup pad and be used for jet-propelled blowout mechanism, a plurality of blowout mechanism pegs graft in needs service position on the bayonet socket.

As a still further scheme of the utility model: an upper heat insulation plate for heat insulation is fixedly arranged on the bottom surface of the supporting plate, and the air inlet end of the inserting seat penetrates through the upper heat insulation plate and extends into the sealing frame.

As a still further scheme of the utility model: and a cover plate for protection is arranged on the upper cover of the step hole.

As a still further scheme of the utility model: the top surface of the cover plate is embedded and fixed with a magnetic suction plate.

As a still further scheme of the utility model: and a temperature sensor for monitoring the temperature in real time is fixedly arranged on one side of the sealing frame.

As a still further scheme of the utility model: and a lower heat insulation plate for heat insulation is fixedly arranged on the top surface of the bottom plate.

As a still further scheme of the utility model: the spraying mechanism comprises a gooseneck and a spray head fixedly arranged at the top end of the gooseneck, a plug is fixedly arranged at the bottom end of the gooseneck, and the plug is detachably connected with the plug seat.

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

choose corresponding quantity's blowout mechanism, and place in the bayonet socket department corresponding with the welding cooling position, then peg graft bayonet joint and bayonet socket, adjust the gooseneck, make the shower nozzle towards the welding cooling position, frame behind the location holder centre gripping in the backup pad, then weld, after the welding is accomplished, heat electric heating pipe to appointed temperature, the intake pipe is to sealed frame internal input gas, electric heating pipe is to gas heating, then it is intraductal to have the bayonet socket of bayonet joint to carry to the gooseneck through pegging graft, and spout to the welding position via shower nozzle 32, and through the gaseous temperature of electric heating pipe control blowout, make the welding position slowly cool off, prevent that it from leading to the welding strength to reduce because of the cooling rate is too fast, improve welding quality.

Drawings

FIG. 1 is a schematic structural view of a quick clamping fixture for welding a rear frame of a loader;

FIG. 2 is a schematic diagram of the internal structure of a sealing frame in the rapid clamping fixture for welding the rear frame of the loader;

FIG. 3 is a bottom view of a support plate in the quick clamping fixture for welding the rear frame of the loader;

FIG. 4 is a schematic structural diagram of a spraying mechanism in the quick clamping fixture for welding the rear frame of the loader;

FIG. 5 is a schematic view of the mounting position of the inserting seat in the quick clamping fixture for welding the rear frame of the loader.

In the figure: 1. a support plate; 101. a stepped bore; 11. positioning the clamping piece; 12. a socket; 13. an upper heat insulation plate; 14. a cover plate; 141. a magnetic attraction plate; 2. a temperature control mechanism; 21. a base plate; 22. a sealing frame; 23. an electric heating tube; 24. an air inlet pipe; 25. a pressure relief valve; 26. a temperature sensor; 27. a lower heat insulation plate; 3. a discharge mechanism; 31. a gooseneck; 32. a spray head; 33. a plug-in connector.

Detailed Description

Referring to fig. 1 to 5, in the embodiment of the present invention, the quick clamping fixture for welding the rear frame of the loader includes a supporting plate 1 and a positioning clamping member 11 installed on the top surface of the supporting plate 1, a plurality of step holes 101 are formed in the supporting plate 1, socket 12 is fixedly installed in each step hole 101, a temperature control mechanism 2 is installed below the supporting plate 1, the temperature control mechanism 2 includes a bottom plate 21 and a sealing frame 22 fixed on the top surface of the bottom plate, an electric heating tube 23 is fixedly installed inside the sealing frame 22, two air inlet tubes 24 for air transportation are fixedly installed on the long sides of each side of the sealing frame 22, the air inlet tubes 24 are connected with an external air source, a pressure relief valve 25 for pressure relief is fixedly installed on one side of the sealing frame 22, the supporting plate 1 is fixedly installed on the top surface of the sealing frame 22 in a sealing manner, a plurality of ejection mechanisms 3 for ejecting air are further installed on the supporting plate 1, and the plurality of ejection mechanisms 3 are inserted into the socket 12 at positions where they need to be used.

In this embodiment, a corresponding number of the ejection mechanisms 3 are selected and placed at the socket 12 corresponding to the welding cooling position, the plug 33 is plugged into the socket 12, the gooseneck 31 is adjusted to make the nozzle 32 face the welding cooling position, the positioning clamping member 11 on the support plate 1 clamps the rear frame and then welds, after the welding is completed, the electric heating tube 23 is heated to a specified temperature, the air inlet tube 24 inputs air into the sealing frame 22, the electric heating tube 23 heats the air, then the air is conveyed into the gooseneck 31 through the socket 12 plugged with the plug 33 and ejected to the welding position through the nozzle 32, the temperature of the ejected air is controlled by the electric heating tube 23, the welding position is cooled slowly, the welding strength is prevented from being reduced due to an excessively high cooling speed, the welding quality is improved, when the air pressure inside the sealing frame 22 is excessively high, the pressure relief valve 25 relieves the pressure, the safety is ensured.

In fig. 3: the bottom surface of backup pad 1 sets firmly the last heat insulating board 13 that is used for thermal-insulated, and the inlet end of bayonet socket 12 runs through last heat insulating board 13 and extends to inside the sealed frame 22, and last heat insulating board 13 can effectively insulate electric heating pipe 23's heat, prevents that it from causing the influence to backup pad 1 and location holder 11.

In fig. 5: the step hole 101 is covered with the cover plate 14 for protection, when the welding plug socket is not used, the cover plate 14 is covered on the step hole 101, welding slag is prevented from blocking the plug socket 12, the top surface of the cover plate 14 is embedded and fixed with the magnetic attraction plate 141, when the cover plate 14 needs to be taken out, a magnetic iron tool is used for being magnetically attracted with the magnetic attraction plate 141, the cover plate 14 is pulled out, and the disassembly is convenient.

In fig. 2: one side of sealing frame 22 sets firmly and is used for the temperature sensor 26 of real-time supervision temperature, and temperature sensor 26 carries out real time monitoring to the inside temperature of sealing frame 22, and the personnel of being convenient for adjust.

In fig. 2: the top surface of the bottom plate 21 is fixedly provided with a lower heat insulation plate 27 for heat insulation, and the lower heat insulation plate 27 can effectively insulate the heat of the electric heating tube 23 and prevent the heat from influencing the bottom plate 21 and the bearing equipment below.

In fig. 4: the spraying mechanism 3 comprises a gooseneck 31 and a spray head 32 fixedly arranged at the top end of the gooseneck 31, a plug 33 is fixedly arranged at the bottom end of the gooseneck 31, the plug 33 is detachably connected with the plug 12, the plug 33 is plugged with the plug 12, the gooseneck 31 is adjusted, the spray head 32 faces the welding and cooling position, and the flexibility is high.

The working principle of the utility model is as follows: selecting a corresponding number of ejection mechanisms 3, placing the ejection mechanisms at the plug-in sockets 12 corresponding to the welding cooling positions, inserting the plug-in connectors 33 into the plug-in sockets 12, adjusting the gooseneck 31 to enable the spray heads 32 to face the welding cooling positions, clamping the rear frame by the positioning clamping pieces 11 on the supporting plate 1, welding, heating the electric heating pipe 23 to a specified temperature after welding, inputting gas into the sealing frame 22 through the air inlet pipe 24, heating the gas by the electric heating pipe 23, conveying the gas into the gooseneck 31 through the plug-in sockets 12 inserted with the plug-in connectors 33, ejecting the gas to the welding positions through the spray heads 32, controlling the temperature of the ejected gas by the electric heating pipe 23 to slowly cool the welding positions, preventing the welding strength from being reduced due to the excessively high cooling speed, improving the welding quality, covering the cover plate 14 on the stepped hole 101 to prevent welding slag from blocking the plug-in sockets 12, the top surface of apron 14 is inlayed and is established and be fixed with magnetism and inhale board 141, when apron 14 is taken out to needs, use magnetism iron instrument and magnetism to inhale board 141 magnetism and inhale and be connected, pull out apron 14, it is comparatively convenient to dismantle, temperature sensor 26 carries out real time monitoring to the inside temperature of sealed frame 22, the personnel of being convenient for adjust, it can effectively completely cut off electric heating pipe 23's heat to go up heat insulating board 13, prevent that it from causing the influence to backup pad 1 and location holder 11, lower heat insulating board 27 can effectively completely cut off electric heating pipe 23's heat, prevent that the heat from causing the influence to bottom plate 21 and below bearing device.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. Quick clamping fixture for welding of loader rear frame is characterized by comprising a support plate (1) and a positioning clamping piece (11) arranged on the top surface of the support plate, wherein a plurality of step holes (101) are formed in the support plate (1), plug sockets (12) are fixedly arranged in the step holes (101), a temperature control mechanism (2) is arranged below the support plate (1), the temperature control mechanism (2) comprises a bottom plate (21) and a sealing frame (22) fixed on the top surface of the bottom plate, an electric heating pipe (23) is fixedly arranged in the sealing frame (22), two air inlet pipes (24) used for air transmission are fixedly arranged on the long sides of the sealing frame (22), the air inlet pipes (24) are connected with an external air source, a pressure release valve (25) used for pressure release is fixedly arranged on one side of the sealing frame (22), the support plate (1) is fixedly arranged on the top surface of the sealing frame (22) in a sealing manner, the support plate (1) is also provided with a plurality of spraying mechanisms (3) for spraying air, and the plurality of spraying mechanisms (3) are inserted into the insertion seats (12) at the positions needing to be used.

2. The quick clamping fixture for welding the rear frame of the loader according to claim 1, wherein an upper heat insulation plate (13) for heat insulation is fixedly arranged on the bottom surface of the supporting plate (1), and an air inlet end of the inserting seat (12) penetrates through the upper heat insulation plate (13) and extends into the sealing frame (22).

3. The quick clamping fixture for welding the rear frame of the loader according to claim 1, wherein a cover plate (14) for protection is arranged on the upper cover of the stepped hole (101).

4. The quick clamping fixture for welding the rear frame of the loader according to claim 3, wherein a magnetic attraction plate (141) is fixedly embedded in the top surface of the cover plate (14).

5. The quick clamping fixture for welding the rear frame of the loader according to claim 1, wherein a temperature sensor (26) for monitoring temperature in real time is fixedly arranged on one side of the sealing frame (22).

6. The quick clamping fixture for welding the rear frame of the loader according to claim 1, wherein a lower heat insulation plate (27) for heat insulation is fixedly arranged on the top surface of the bottom plate (21).

7. The quick clamping fixture for welding the rear frame of the loader according to claim 1, wherein the ejection mechanism (3) comprises a gooseneck (31) and a spray head (32) fixedly arranged at the top end of the gooseneck, a plug-in connector (33) is fixedly arranged at the bottom end of the gooseneck (31), and the plug-in connector (33) is detachably connected with the plug-in connector (12).