Welding tool for automobile engine compartment

Abstract

The utility model relates to the technical field of automobile engines, and discloses an automobile engine compartment welding tool which comprises a workbench, an L-shaped installation plate is fixedly connected to the position, close to the back face, of the top of the workbench, and the interior of a heat preservation cylinder can be comprehensively heated in the mode that an arc-shaped heating plate is arranged on the inner wall of the heat preservation cylinder. A heating rod is arranged at the position of a center area of a heat preservation barrel, the temperature increasing speed of the center area is relatively increased, a second air cylinder stretches out and draws back to drive a positioning clamping block to fix a shell and a base of the valve tappet, and the arc-shaped clamping faces make contact, so that the automatic positioning effect can be achieved; the base of the valve tappet can be pre-positioned in advance by forming the positioning groove, and the sealing groove can be attached to the bottom of the heat preservation barrel to enable the heat preservation barrel to form a relatively sealed environment, so that the heating effect is improved, and heat loss is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile engines, in particular to a welding tool for an automobile engine compartment. Background Art

[0002] The engine compartment generally includes the engine, air filter, battery, engine exhaust system, throttle, radiator tank, relay box, brake booster pump, throttle cable, window washer fluid reservoir, brake fluid reservoir, fuse, valve tappets, etc.

[0003] The existing automobile engine valve tappet includes a housing and a base. The brazing process is to insert a copper ring welding wire into the base, then assemble the housing and the base, and place them horizontally in a heating furnace for brazing. The effect to be achieved after brazing is that the copper ring welding wire melts and evenly flows into the gap L between the housing and the base, so as to achieve brazing fixation of the housing and the base.

[0004] Brazing refers to a welding method in which the solder, which is lower than the melting point of the weldment, and the weldment are heated to the melting temperature of the solder at the same time, and the gap between the solid workpieces is filled with liquid solder to connect the metals.

[0005] Prior art publication number: CN218983499U, provides a technical solution: an automatic welding tool for automobile engine valve tappet, including a base plate, a slide groove is arranged on the base plate, slide rails are arranged on both sides of the slide groove, a movable seat is slidably connected along the slide rail in the slide groove, one end of the movable seat is fixedly connected to the output end of the telescopic cylinder, the telescopic cylinder is fixedly connected to the base plate, the telescopic cylinder telescopically drives the movable seat to and from the valve tappet automatic assembly station and the valve tappet heating brazing station, a base placement groove is arranged at the center position of the movable seat, and the valve tappet automatic assembly structure and the valve tappet heating brazing structure are respectively arranged at the base plate corresponding to the valve tappet automatic assembly station and the valve tappet heating brazing station. After the base and the copper ring welding wire are arranged in the movable seat and the shell is arranged in the guide cylinder, the automatic assembly and heating brazing of the valve tappet are automatically realized; the shell and the base are assembled by cylinder stamping positioning, the assembly accuracy is high, and the uniform flat sleeve connection is ensured, the brazing quality is high, and the consistency is good.

[0006] but:

[0007] During actual heating, the downward pressure cylinder B is started, and the downward pressure cylinder B drives the insulation cover to be pressed down, so that the insulation cover covers the entire valve tappet. The insulation cover and the movable seat form an internal heating space for heating to reach the heating temperature and realize brazing welding. However, since the heater is arranged on the inner wall of the insulation cover, the heating efficiency of the copper ring welding wire inside is not high during heating. Utility Model Content

[0008] 1. Technical issues to be resolved

[0009] Aiming at the deficiencies of the prior art, the utility model provides a welding tool for an automobile engine compartment.

[0010] (II) Technical solution

[0011] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a welding tool for an automobile engine compartment, comprising a workbench, an L-shaped mounting plate fixedly connected to the top of the workbench near the back, a first cylinder fixedly connected to the position below the top of the L-shaped mounting plate, a heating component fixedly connected to the bottom of the first cylinder, the heating component comprising an insulation tube, the insulation tube fixedly connected to the bottom of the first cylinder, arc-shaped heating plates fixedly installed on the front and back of the inner wall of the insulation tube respectively, a heating rod for heating the central area of ​​the insulation tube fixedly connected at the center of the top of the inner wall of the insulation tube, the interior of the insulation tube can be fully heated by arranging an arc-shaped heating plate on the inner wall of the insulation tube, and the temperature raising speed of the central area can be relatively improved by arranging a heating rod at the central area of ​​the insulation tube.

[0012] Preferably, support blocks are fixedly connected to both sides of the top of the workbench, and the second cylinders are fixedly connected to one side corresponding to the two support blocks, and positioning clamps are installed at one end corresponding to the two groups of the second cylinders, respectively. The housing and base of the valve tappet are fixed by driving the positioning clamps to extend and retract the second cylinders.

[0013] Preferably, the positioning clamp is C-shaped, and one clamping surface is arc-shaped, so that the clamping can be contacted through the arc-shaped clamping surface to achieve automatic positioning.

[0014] Preferably, notches for the positioning clamps to pass through are respectively provided on both sides of the heat-insulating cylinder.

[0015] Preferably, a positioning groove for positioning is provided at a position corresponding to the heat preservation tube on the top of the workbench, and the base of the valve tappet can be pre-positioned by providing the positioning groove.

[0016] Preferably, sealing grooves are respectively provided on the top of the workbench at the front and back sides of the positioning grooves. The sealing grooves can fit the bottom of the insulation tube so that the insulation tube forms a relatively sealed environment, thereby improving the heating effect and reducing heat loss.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the utility model provides a welding tool for automobile engine compartment, which has the following features:

[0019] Beneficial effects:

[0020] 1. The automobile engine compartment welding tool can fully heat the inside of the insulation tube by arranging an arc-shaped heating plate on the inner wall of the insulation tube, and relatively improve the temperature increase speed of the central area by arranging a heating rod at the center area of ​​the insulation tube. The housing and the base of the valve tappet are fixed by driving the positioning clamp block through the telescopic movement of the second cylinder, and the arc-shaped clamping surface is in contact, which can play a role of automatic positioning.

[0021] 2. The automobile engine compartment welding tool can pre-position the base of the valve tappet by setting the positioning groove, and can fit the bottom of the insulation tube by setting the sealing groove so that the insulation tube forms a relatively sealed environment, so as to improve the heating effect and reduce heat loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0023] Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the structure of the heat preservation cylinder of the utility model;

[0025] Figure 3 It is an enlarged view of A of the present utility model.

[0026] In the figure: 1. workbench; 11. positioning groove; 12. sealing groove; 2. L-shaped mounting plate; 21. first cylinder; 22. heating assembly; 221. insulation cylinder; 222. arc-shaped heating plate; 223. heating rod; 224. notch; 3. support block; 31. second cylinder; 32. positioning clamp block. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0028] Example 1

[0029] like Figure 1-3As shown, the utility model provides a welding tool for an automobile engine compartment, including a workbench 1, an L-shaped mounting plate 2 is fixedly connected to the top of the workbench 1 near the back, a first cylinder 21 is fixedly connected to the position below the top of the L-shaped mounting plate 2, a heating component 22 is fixedly connected to the bottom of the first cylinder 21, the heating component 22 includes a heat preservation tube 221, the heat preservation tube 221 is fixedly connected to the bottom of the first cylinder 21, arc-shaped heating plates 222 are fixedly installed at the front and back positions of the inner wall of the heat preservation tube 221, a heating rod 223 for heating the central area of ​​the heat preservation tube 221 is fixedly connected to the top center position of the inner wall of the heat preservation tube 221, and the heat preservation tube 221 can be heated by arranging the arc-shaped heating plate 222 on the inner wall of the heat preservation tube 221. The interior of 221 is fully heated, and a heating rod 223 is arranged at the center area of ​​the insulation tube 221 to relatively improve the temperature raising speed of the center area. Support blocks 3 are fixedly connected to the two sides of the top of the workbench 1 respectively, and the corresponding sides of the two support blocks 3 are fixedly connected to the second cylinders 31 respectively. Positioning clamps 32 are installed at the corresponding ends of the two groups of second cylinders 31 respectively. The positioning clamps 32 are driven by the telescopic movement of the second cylinders 31 to fix the housing and the base of the valve tappet. The positioning clamps 32 are C-shaped, and one side of the clamping is arranged in an arc shape, so that the clamping is in contact through the arc-shaped clamping surface, which can play a role of automatic positioning. Notches 224 for the positioning clamps 32 to pass through are respectively provided on both sides of the insulation tube 221.

[0030] In this embodiment, an arc-shaped heating plate 222 is provided on the inner wall of the insulation tube 221, so that the interior of the insulation tube 221 can be fully heated. A heating rod 223 is provided in the central area of ​​the insulation tube 221 to relatively increase the temperature increase rate of the central area. The second cylinder 31 is extended and driven to drive the positioning clamp 32 to fix the housing and the base of the valve tappet, and the arc-shaped clamping surface is in contact, so as to achieve automatic positioning.

[0031] Example 2

[0032] like Figure 1-3 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, a positioning groove 11 for positioning is opened at the top of the workbench 1 corresponding to the position of the insulation tube 221, and the base of the valve tappet can be pre-positioned by setting the positioning groove 11, and sealing grooves 12 are respectively opened at the front and back sides of the positioning groove 11 on the top of the workbench 1, and the sealing grooves 12 can fit the bottom of the insulation tube 221 so that the insulation tube 221 forms a relatively sealed environment, so as to improve the heating effect and reduce heat loss.

[0033] In this embodiment, the base of the valve tappet can be pre-positioned by setting the positioning groove 11, and the bottom of the insulation tube 221 can be fitted by setting the sealing groove 12 so that the insulation tube 221 forms a relatively sealed environment, thereby improving the heating effect and reducing heat loss.

[0034] The following is a detailed description of the working principle of the automobile engine compartment welding tooling.

[0035] like Figure 1-3 As shown, when in use, the interior of the insulation tube 221 can be fully heated by arranging an arc-shaped heating plate 222 on the inner wall of the insulation tube 221, and the temperature increase speed of the central area can be relatively improved by arranging a heating rod 223 at the center area of ​​the insulation tube 221. The housing and the base of the valve tappet are fixed by the telescopic positioning clamp 32 driven by the second cylinder 31, and the arc-shaped clamping surface is in contact, which can play a role of automatic positioning. The positioning groove 11 can be set to pre-position the base of the valve tappet, and the sealing groove 12 can be set to fit the bottom of the insulation tube 221 so that the insulation tube 221 forms a relatively sealed environment, so as to improve the heating effect and reduce heat loss.

Claims

1. A welding tool for an automobile engine compartment, comprising a workbench (1), characterized in that: An L-shaped mounting plate (2) is fixedly connected to the top of the workbench (1) near the back, a first cylinder (21) is fixedly connected to the bottom of the L-shaped mounting plate (2), a heating component (22) is fixedly connected to the bottom of the first cylinder (21), the heating component (22) comprises a heat preservation tube (221), the heat preservation tube (221) is fixedly connected to the bottom of the first cylinder (21), arc-shaped heating plates (222) are fixedly installed at the front and back of the inner wall of the heat preservation tube (221), and a heating rod (223) for heating the central area of ​​the heat preservation tube (221) is fixedly connected to the top center of the inner wall of the heat preservation tube (221).

2. The automobile engine compartment welding tool according to claim 1, characterized in that: Support blocks (3) are fixedly connected to both sides of the top of the workbench (1), and second cylinders (31) are fixedly connected to one side corresponding to the two support blocks (3), and positioning clamps (32) are installed at one end corresponding to the two groups of the second cylinders (31).

3. The automobile engine compartment welding tool according to claim 2, characterized in that: The positioning clamp block (32) is C-shaped, and one clamping surface is arranged in an arc shape.

4. The automobile engine compartment welding tool according to claim 2, characterized in that: Notches (224) for the positioning clamp (32) to pass through are respectively formed on both sides of the heat-insulating cylinder (221).

5. The automobile engine compartment welding tool according to claim 1, characterized in that: A positioning groove (11) for positioning is provided at a position on the top of the workbench (1) corresponding to the heat-insulating cylinder (221).

6. The automobile engine compartment welding tool according to claim 5, characterized in that: The top of the workbench (1) is provided with sealing grooves (12) at the front and back sides of the positioning groove (11).

Images