A spot welding auxiliary device for automobile complete vehicle manufacturing

Abstract

The application provides a spot welding auxiliary device for automobile manufacturing, which comprises a workbench, a power mechanism connected to the inner top end of the workbench, and an auxiliary disc connected to the execution end of the power mechanism; the power mechanism comprises a rotating shaft rotatably connected to the inner top end of the workbench, a self-locking rotating assembly rotatably connected to the bottom end of the rotating shaft, and a cooling assembly connected to the top end of the rotating shaft; the self-locking rotating assembly comprises a worm wheel installed on the outer surface of the bottom end of the rotating shaft, and a worm rotatably connected to the inner top end of the workbench and engaged with the worm wheel. The self-locking structure is used for limiting the rotation of the auxiliary disc of the support clamp, and the rotation angle of the auxiliary disc is not limited, so that the workers can adjust the angle of the automobile parts to be spot welded according to the needs.

Description

TECHNICAL FIELD

[0001] The present application mainly relates to the technical field of automobile manufacturing, and in particular to a spot welding auxiliary device for automobile manufacturing. BACKGROUND

[0002] Spot welding refers to a welding method that uses a columnar electrode to form a welding point between the contact surfaces of two overlapping workpieces. To facilitate spot welding, an auxiliary device is used to fix the workpieces that need to be spot welded before spot welding.

[0003] According to the patent document with the application number CN201711076205.8, a spot welding auxiliary device for automobile manufacturing is provided. The spot welding auxiliary device includes a bottom plate, a shaft fixedly connected to the upper surface of the bottom plate, a bearing sleeved on the surface of the shaft, a housing, a driven gear sleeved on the surface of the bearing, and a first drive device. The driven gear is located below the housing and is engaged with the first drive device. The lower surface of the first drive device is fixedly connected to the upper surface of the bottom plate. The spot welding auxiliary device for automobile manufacturing is provided with a first motor. The output shaft of the first motor rotates to drive the driving gear to rotate, which in turn drives the driven gear to rotate, thereby rotating the housing and rotating the workpiece above the support plate. This facilitates the workers to spot weld at different positions of the workpiece without the need to move the electric welding machine and their own positions, saving the workers' time and effort and bringing convenience to the workers when spot welding the workpiece.

[0004] The above-mentioned spot welding auxiliary device does not require workers to move the electric welding machine and their own positions, saving the workers' time and effort. However, the traditional automobile manufacturing spot welding device often fixes the housing by inserting the clamping block into the clamping hole, which limits the rotation angle of the housing used to support the clamp, thereby affecting the workers' adjustment of the angle of the housing according to the needs. SUMMARY

[0005] The present application mainly provides a spot welding auxiliary device for automobile manufacturing to solve the technical problems raised in the background.

[0006] The technical solution adopted by the present application to solve the above technical problems is as follows:

[0007] A spot welding auxiliary device for automobile manufacturing, comprising a workbench, a power mechanism connected to the inside top end of the workbench, and an auxiliary disc connected to the execution end of the power mechanism.

[0008] The power mechanism comprises a rotating shaft rotatably connected to the inside top end of the workbench, a self-locking rotating assembly rotatably connected to the bottom end of the rotating shaft, and a cooling assembly connected to the top end of the rotating shaft.

[0009] The self-locking rotating assembly comprises a worm wheel installed on the outer surface of the bottom end of the rotating shaft, a worm gear arranged on one side of the worm wheel and engaged with the worm wheel, and the worm gear is rotatably connected with the inner top end of the workbench through a bearing;

[0010] The auxiliary disc is installed on the upper surface of the rotating shaft, the upper surface of the auxiliary disc is provided with a clamp, and one side of the auxiliary disc is provided with a blowing pipe connected with the cooling assembly.

[0011] Further, the cooling assembly comprises a lifting component connected with the rotating shaft, and a gas pushing disc connected with the lifting component, in the present application, the lifting component drives the gas pushing disc connected therewith to lift, so that the gas pushing disc continuously pushes the air below the disc body into the space above the disc body during lifting, so that the air continuously flowing into the space above is used for heat exchange.

[0012] Further, the lifting component comprises a first inclined conical cylinder installed on the outer surface of the rotating shaft, and a second inclined conical cylinder abutting against the top end of the first inclined conical cylinder, the second inclined conical cylinder penetrates through the gas pushing disc, in the present application, the first inclined conical cylinder pushes the second inclined conical cylinder to repeatedly rise, so that the second inclined conical cylinder can drive the gas pushing disc to repeatedly rise.

[0013] Further, the gas pushing disc comprises a disc body installed on the outer surface of the second inclined conical cylinder, a plurality of air passing holes arranged in a circular array on the disc body shell, and a convex ring installed on the inner surface of the air passing hole, the upper surface of the convex ring is provided with a gas blocking cover, in the present application, the air pressure above the disc body of the gas pushing disc increases, in this process, the air backflow is prevented due to the shielding of the gas blocking cover, so that the gas pushing disc can effectively push the air to rise.

[0014] Further, the top end of the gas pushing disc is provided with a partition disc, the partition disc has the same structure as the gas pushing disc, and the partition disc is installed on the inner top end of the workbench, in the present application, the space formed between the partition disc and the gas pushing disc is used as a pre-heat exchange space, so that the cold air in the space is pushed to rise after the space below rises.

[0015] Further, the bottom end of the gas pushing disc abuts against a spring, the bottom end of the spring is connected with a pushing ring, the lower surface of the pushing ring is connected with the upper surface of the second inclined conical cylinder, in the present application, the second inclined conical cylinder connected with the ring body is pushed by the pushing ring to tightly contact with the first inclined conical cylinder, so that the first inclined conical cylinder can forcibly push the second inclined conical cylinder abutting thereto to reciprocally rise.

[0016] Further, the inner surface of the second inclined conical cylinder is coated with lubricating oil.

[0017] Further, the lower surface of the partition disc is provided with a plurality of semiconductor refrigerators, and the plurality of semiconductor refrigerators are arranged around the rotating shaft, in the application, the partition disc provides support for the semiconductor refrigerators, and the semiconductor refrigerators cool the air between the partition disc and the air pushing disc.

[0018] Further, one end of the blowing pipe extends into the interior of the workbench and is connected with a one-way valve, in the application, the blowing pipe prevents air backflow through the one-way valve, and the cold air in the interior of the workbench can only be delivered into the pipe body when the pressure is enough to push the one-way valve open, that is, when the rotating shaft rotates.

[0019] Further, the lower surface of the auxiliary disc is provided with a plurality of rolling balls, the auxiliary disc is slidingly connected with the upper surface of the workbench through the rolling balls, and the top end of the workbench is provided with a guide rail for the rolling balls to slide, in the application, the auxiliary disc rotates along the guide rail at the top end of the workbench, and the rolling balls prevent dry friction between the auxiliary disc and the workbench.

[0020] Compared with the prior art, the application has the following beneficial effects:

[0021] Firstly, the application limits the rotation of the auxiliary disc of the support clamp through the self-locking structure, and does not limit the rotation angle of the auxiliary disc, so as to facilitate workers to adjust the angle of the automobile parts to be spot-welded according to needs, specifically, when the worm rotates, the worm is engaged with the worm gear, and the worm gear is coaxially arranged with the auxiliary disc of the support clamp, so as to drive the auxiliary disc to rotate, in this process, the self-locking structure formed by the worm and the worm gear reduces the rotation of the auxiliary disc under external force.

[0022] Secondly, when the air pushing disc rises, the air pressure above the disc body of the air pushing disc increases, in this process, the air backflow is prevented due to the shielding of the air blocking cover, so that the air pushing disc can effectively push the air to rise, the blowing pipe prevents air backflow through the one-way valve, and the cold air in the interior of the workbench can only be delivered into the pipe body when the pressure is enough to push the one-way valve open, that is, when the rotating shaft rotates, so as to effectively blow the parts of the automobile through spot-welding processing and the parts waiting for spot-welding processing through the blowing pipe.

[0023] The application will be explained in detail below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structural schematic view of the application;

[0025] Figure 2 It is a sectional view of the application;

[0026] Figure 3Structure diagram of self-locking rotating assembly and cooling assembly of the present application;

[0027] Figure 4 Structure diagram of air pushing disc of the present application;

[0028] Figure 5 Structure diagram of cooling assembly of the present application;

[0029] Figure 6 Structure diagram of workbench of the present application.

[0030] In the figure: 10, workbench; 11, guide rail; 20, power mechanism; 21, rotating shaft; 22, self-locking rotating assembly; 221, worm gear; 222, worm; 23, cooling assembly; 231, lifting part; 2311, first inclined tapered cylinder; 2312, second inclined tapered cylinder; 232, air pushing disc; 2321, disc body; 2322, air passing hole; 2323, convex ring; 2324, air blocking cover; 233, partition disc; 2331, semiconductor refrigerator; 234, spring; 235, pushing ring; 30, auxiliary disc; 31, clamp; 32, blowing pipe; 33, ball. DETAILED DESCRIPTION

[0031] In order to make the present application more comprehensible, the present application will be described more fully with reference to the attached drawings, in which several embodiments of the present application are given, but the present application can be realized in different forms and is not limited to the embodiments described in the text, on the contrary, these embodiments are provided to make the disclosed content of the present application more thorough and comprehensive.

[0032] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be a middle element, and when an element is referred to as being "connected to" another element, it can be directly connected to the other element or there can be a middle element, the terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs, the terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application, the term "and / or" used herein includes any and all combinations of one or more related listed items.

[0034] Embodiment, please refer to the attached Figures 1-6The utility model provides a spot welding auxiliary device for automobile whole vehicle manufacturing, including workbench 10, the inside top of workbench 10 is connected with power mechanism 20, the executive end of power mechanism 20 is connected with auxiliary disc 30;

[0035] Power mechanism 20 includes the rotation connection of the inside top of workbench 10 with rotary shaft 21, the rotation connection of the bottom end of rotary shaft 21 with self-locking rotary assembly 22 and the top end of rotary shaft 21 with cooling assembly 23 is connected;

[0036] Self-locking rotary assembly 22 includes the worm wheel 221 installed on the bottom end outer surface of rotary shaft 21, the worm gear 222 on one side of worm wheel 221 and with worm wheel 221 is engaged, and the inside top of workbench 10 is rotatably connected with the worm gear 222 through the bearing;

[0037] Auxiliary disc 30 is installed on the upper surface of rotary shaft 21, the upper surface of auxiliary disc 30 is installed with clamp 31, one side of auxiliary disc 30 is equipped with blowing pipe 32, and blowing pipe 32 is connected with cooling assembly 23.

[0038] Specifically, please refer to the accompanying drawings Figure 3 And 4 Cooling assembly 23 includes the lifting part 231 connected with rotary shaft 21 and the air pushing disc 232 connected with lifting part 231;

[0039] Lifting part 231 includes the first inclined taper cylinder 2311 installed on the outer surface of rotary shaft 21 and the second inclined taper cylinder 2312 abutting with the top end of first inclined taper cylinder 2311, and the second inclined taper cylinder 2312 is arranged through air pushing disc 232;

[0040] Air pushing disc 232 includes the disc body 2321 installed on the outer surface of second inclined taper cylinder 2312, a plurality of air passing holes 2322 arranged in circular array on the shell of disc body 2321 and the convex ring 2323 installed on the inner surface of air passing hole 2322 hole body, and the upper surface of convex ring 2323 is installed with air baffle 2324;

[0041] It should be noted that, in the embodiment, lifting part 231 drives air pushing disc 232 connected with it to lift, so that air pushing disc 232 continuously pushes the air below the disc body into the space above the disc body in the lifting process, so that the air continuously flowing into the upper space is heat exchanged;

[0042] Further, the first inclined cone cylinder 2311 connected to the outer surface of the rotating shaft 21 rotates, and the second inclined cone cylinder 2312 is repeatedly lifted by the first inclined cone cylinder 2311, so that the second inclined cone cylinder 2312 can repeatedly lift the air pushing disc 232.

[0043] Further, when the air pushing disc 232 descends, the air pushing disc 232 compresses the air below the disc body, and the air below the air pushing disc 232 passes through the convex ring 2323 and the air hole 2322. In this process, the air pushes away the air cover 2324. When the air pushing disc 232 rises, the air pressure above the disc body increases. In this process, the air cover 2324 prevents the air from flowing back, so that the air pushing disc 232 can effectively push the air to rise.

[0044] Specifically, please refer to the accompanying drawings Figure 3 and 5 The top end of the air pushing disc 232 is provided with a partition disc 233, which has the same structure as the air pushing disc 232, and is installed at the top end inside the workbench 10.

[0045] The bottom end of the air pushing disc 232 abuts against a spring 234, and the bottom end of the spring 234 is connected with a pushing ring 235, and the lower surface of the pushing ring 235 is connected with the upper surface of the second inclined cone cylinder 2312.

[0046] The inner surface of the second inclined cone cylinder 2312 is coated with lubricating oil.

[0047] It should be noted that in this embodiment, the space formed between the partition disc 233 and the air pushing disc 232 is used as a pre-heat exchange space, so that the cold air in the space is pushed up after the space below rises, and the rising air exchanges heat in the space, thereby continuously providing cold air for cooling automobile parts during spot welding.

[0048] Further, the air pushing disc 232 provides support for the spring 234, and the spring 234 pushes the pushing ring 235 by the elastic force, and the pushing ring 235 pushes the second inclined cone cylinder 2312 connected with the ring body to tightly contact the first inclined cone cylinder 2311, so that the first inclined cone cylinder 2311 can forcefully push the second inclined cone cylinder 2312 connected with it to reciprocatingly rise.

[0049] Specifically, please refer to the accompanying drawings Figure 1 and 2 The lower surface of the partition disc 233 is provided with a plurality of semiconductor refrigerators 2331, and the plurality of semiconductor refrigerators 2331 are arranged around the rotating shaft 21.

[0050] One end of the purge pipe 32 is connected with a one-way valve 321 inside the workbench 10;

[0051] A plurality of balls 33 are installed on the lower surface of the auxiliary disc 30, and the auxiliary disc 30 is slidingly connected with the upper surface of the workbench 10 through the balls 33.

[0052] It should be noted that in the embodiment, the partition disc 233 is supported by the semiconductor refrigerator 2331, and the air between the partition disc 233 and the air pushing disc 232 is cooled by the semiconductor refrigerator 2331.

[0053] Further, the purge pipe 32 prevents air backflow through the one-way valve 321, and the cold air inside the workbench 10 can only be delivered into the pipe body when the pressure is sufficient to push the one-way valve 321, that is, when the rotating shaft 21 rotates, thereby effectively purging the parts through the purge pipe 32 after spot welding and the parts waiting for spot welding.

[0054] Further, the auxiliary disc 30 rotates along the guide rail 11 at the top end of the workbench 10 through the balls 33, and the balls 33 prevent dry friction between the auxiliary disc 30 and the workbench 10.

[0055] The specific operation mode of the present application is as follows:

[0056] When spot welding is performed for automobile manufacturing, the parts to be spot welded are clamped in the two clamps 31, and when the motor drives the worm 222 connected with the output shaft to rotate, the worm 222 is engaged with the worm gear 221, and the worm gear 221 is coaxially arranged with the auxiliary disc 30 supporting the clamp 31, thereby driving the auxiliary disc 30 to rotate.

[0057] The first inclined conical cylinder 2311 connected with the outer surface of the rotating shaft 21 is driven to rotate, the second inclined conical cylinder 2312 is repeatedly lifted by the first inclined conical cylinder 2311, so that the second inclined conical cylinder 2312 can drive the air pushing disc 232 to repeatedly lift, when the air pushing disc 232 descends, the air pushing disc 232 compresses the air below the disc body, the air below the air pushing disc 232 passes through the convex ring 2323 and the air hole 2322, in this process, the air pushes away the air cover 2324, when the air pushing disc 232 rises, the air pressure above the disc body of the air pushing disc 232 increases, in this process, the air cover 2324 prevents air backflow, so that the air pushing disc 232 can effectively push the air to rise.

[0058] The blowing pipe 32 prevents air backflow through the one-way valve 321, and the cold air inside the workbench 10 can only be delivered into the pipe body when the pressure is sufficient to push the one-way valve 321 open, that is, when the rotating shaft 21 rotates, thereby effectively blowing the parts of the automobile through the blowing pipe 32 to the positions subjected to spot welding and the positions waiting for spot welding.

[0059] The above describes the present application with reference to the drawings, and it is obvious that the specific implementation of the present application is not limited to the above-described manner, and any non-essential improvement of the method concept and technical solution of the present application, or direct application of the concept and technical solution of the present application to other occasions without improvement, is within the protection scope of the present application.

Claims

1. A spot welding aid for use in automotive vehicle manufacturing, comprising a worktable (10), characterised in that, The inner top end of the workbench (10) is connected with a power mechanism (20), and the execution end of the power mechanism (20) is connected with an auxiliary disc (30). The power mechanism (20) comprises a rotating shaft (21) rotationally connected with the inner top end of the workbench (10), a self-locking rotating assembly (22) rotationally connected with the bottom end of the rotating shaft (21), and a cooling assembly (23) connected with the top end of the rotating shaft (21). The self-locking rotating assembly (22) comprises a worm wheel (221) mounted on the outer surface of the bottom end of the rotating shaft (21), and a worm (222) arranged on one side of the worm wheel (221) and engaged with the worm wheel (221), wherein the worm (222) is rotationally connected with the inner top end of the workbench (10) through a bearing. The auxiliary disc (30) is mounted on the upper surface of the rotating shaft (21), and the upper surface of the auxiliary disc (30) is provided with a clamp (31), and one side of the auxiliary disc (30) is provided with a purge pipe (32) connected with the cooling assembly (23). The cooling assembly (23) comprises a lifting component (231) connected with the rotating shaft (21), and a gas pushing disc (232) connected with the lifting component (231). The lifting component (231) comprises a first inclined conical cylinder (2311) mounted on the outer surface of the rotating shaft (21), and a second inclined conical cylinder (2312) abutting against the top end of the first inclined conical cylinder (2311), wherein the second inclined conical cylinder (2312) penetrates through the gas pushing disc (232). The gas pushing disc (232) comprises a disc body (2321) mounted on the outer surface of the second inclined conical cylinder (2312), a plurality of air passing holes (2322) arranged in a circular array on the shell of the disc body (2321), and a convex ring (2323) mounted on the inner surface of the hole body of the air passing hole (2322), wherein the upper surface of the convex ring (2323) is provided with a gas blocking cover (2324). The top end of the gas pushing disc (232) is provided with a partition disc (233), the partition disc (233) has the same structure as the gas pushing disc (232), and the partition disc (233) is mounted on the inner top end of the workbench (10). The bottom end of the gas pushing disc (232) abuts against a spring (234), the bottom end of the spring (234) is connected with a pushing ring (235), and the lower surface of the pushing ring (235) is connected with the upper surface of the second inclined conical cylinder (2312).

2. The spot welding assist device for vehicle manufacturing according to claim 1, wherein The inner surface of the second inclined conical cylinder (2312) is coated with lubricating oil.

3. The spot welding assist device for vehicle manufacturing according to claim 1, wherein The lower surface of the partition disc (233) is provided with a plurality of semiconductor refrigerators (2331), and the plurality of semiconductor refrigerators (2331) surround the rotating shaft (21).

4. The spot welding assist device for vehicle manufacturing according to claim 1, wherein One end of the purge pipe (32) extends into the inner part of the workbench (10) and is connected with a one-way valve (321).

5. The spot welding assist device for vehicle manufacturing of claim 1, wherein, The lower surface of the auxiliary disc (30) is provided with a plurality of balls (33), the auxiliary disc (30) is slidably connected with the upper surface of the workbench (10) through the balls (33), and the top end of the workbench (10) is provided with a guide rail (11) for sliding of the balls (33).

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