CN110587092A

CN110587092A - Welding positioning device for outer cover

Info

Publication number: CN110587092A
Application number: CN201910720773.XA
Authority: CN
Inventors: 张人斌
Original assignee: Hunan Chuang Yan Intelligent Equipment Co Ltd
Current assignee: Hunan Chuang Yan Intelligent Equipment Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2019-12-20

Abstract

The invention discloses a welding and positioning device for an outer cover, which comprises: a base; the lower electrode mechanism is arranged on the base and used for conducting electricity; the inner supporting mechanism is arranged on the base and used for tightly supporting the inner hole of the outer cover; the lower electrode mechanism comprises a positioning seat connected with the base, a conductive assembly connected with the positioning seat and a lower electrode assembly connected with the conductive assembly. The positioning device realizes the positioning function of the top back plate and the side plates of the outer cover, does not need to manually hold the top back plate and the side plates for welding, greatly reduces the manual labor intensity, and has high production efficiency.

Description

Welding positioning device for outer cover

Technical Field

The invention relates to the technical field of welding equipment, in particular to a welding and positioning device for an outer cover.

Background

Spot welding is generally classified into two major types, double-sided spot welding and single-sided spot welding. When single-side spot welding is carried out, the electrode feeds power from the same side of the workpiece to the welding position. When the double-sided spot welding is carried out, the electrode feeds power to the welding position from two sides of the workpiece. The existing spot welding machine adopts the principle of double-sided double-point overcurrent welding, when the spot welding machine works, two electrodes pressurize a workpiece to enable two layers of metals to form a certain contact resistance under the pressure of the two electrodes, when welding current flows from one electrode to the other electrode, instant heat welding is formed at the two contact resistance points, and the welding current instantly flows from the other electrode to the electrode along the two workpieces to form a loop, so that the internal structure of the workpiece to be welded is not damaged.

The existing range hood is also called as range hood, wherein the range hood housing 5 comprises a top back plate 50 in an L-shaped structure and two side plates 51 in a triangular structure, wherein the top back plate 50 is provided with a middle square hole 501, as shown in fig. 5; when the outer cover is welded, the two side plates are manually held to be respectively welded with the two sides of the top rear plate, the labor intensity of workers is high, the welding line is not attractive, and the production efficiency is low.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide the outer cover welding and positioning device which can reduce labor intensity and improve production efficiency. In order to achieve the above object, the present invention provides a housing welding position device, including:

a base;

the lower electrode mechanism is arranged on the base and used for conducting electricity;

and the internal supporting mechanism is arranged on the base and used for tightly supporting the inner hole of the outer cover.

Furthermore, the lower electrode mechanism comprises a positioning seat connected with the base, a conductive assembly connected with the positioning seat and a lower electrode assembly connected with the conductive assembly.

Furthermore, the positioning seat is connected with the base through a first driving mechanism.

Further, the positioning seat is connected with the base through a first guide mechanism.

Further, the conductive assembly includes a first conductive plate, a second conductive plate, a third conductive plate, and a conductive strip, and the lower electrode assembly includes a first lower electrode connected to the first conductive plate and a second lower electrode connected to the second conductive plate; the first conductive plate is connected with the third conductive plate; the second conductive plate is connected with the third conductive plate through the conductive belt; the second conductive plate is connected with the positioning seat through a second driving mechanism.

Further, the second conductive plate is connected with the positioning seat through a second guide mechanism.

Further, the inner supporting mechanism comprises a support connected with the base, a third driving mechanism connected with the support, a mounting seat connected with the third driving mechanism, a fourth driving mechanism connected with the mounting seat and a supporting block connected with the fourth driving mechanism; the number of the fourth driving mechanisms is at least two.

Further, the mounting seat is connected with the fourth driving mechanism through a third guiding mechanism.

Furthermore, the number of the lower electrode mechanisms is two, and the internal support mechanism is positioned between the two lower electrode mechanisms.

The inner hole of the outer cover is tightly supported by the inner supporting mechanism to realize the positioning function of the outer cover, the inner hole of the outer cover is a middle square hole on the top back plate, namely the positioning of the top back plate is realized, and then two side plates of the outer cover are respectively hung on two sides of the top back plate. When welding, the conductive assembly is electrically connected with the spot welding machine and is integrally installed with the spot welding machine through the base, meanwhile, the lower electrode mechanism is opposite to the upper electrode on the spot welding machine, and the outer cover is pressed tightly through the pressing mechanism on the spot welding machine. When upper electrode, lower electrode mechanism and dustcoat contact, the welding current return circuit switches on, realizes the automatic two-sided spot welding of the top back plate that the dustcoat includes and curb plate, need not that the workman is handheld top back plate and curb plate and weld, greatly reduced artifical intensity of labour, improved production efficiency and welding quality, it is big to get rid of the artifical intensity of labour that current welding process brought, the workman is near electrode for a long time, the radiation causes the health injury to the workman, inefficiency, the problem that the welding seam is pleasing to the eye and production efficiency is lower.

The inner supporting mechanism drives the supporting block to tightly support the inner hole of the outer cover through the fourth driving mechanism, and the movement of the supporting block is realized under the action of the fourth driving mechanism, so that the supporting force of the inner supporting mechanism relative to the outer cover is convenient to adjust, the deformation of the outer cover caused by excessive supporting or the displacement of the outer cover caused by insufficient supporting is prevented, meanwhile, the inner supporting mechanism can meet the requirements of inner holes of outer covers of different models, and the application range is wide.

According to the invention, the second conducting plate moves relative to the positioning seat through the second driving mechanism so as to adjust the distance between the second conducting plate and the first conducting plate, so that the adjustment can be conveniently carried out according to the requirements of the sizes of the outer covers of different models, and the application range is wide.

The positioning seat can move relative to the base through the first driving mechanism, so that the positioning seat can be conveniently adjusted according to the requirements of sizes of covers of different types, and the application range is wide.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a perspective view of a welding and positioning device for a housing according to the present invention.

Fig. 2 is a perspective view of the lower electrode mechanism of the present invention.

Fig. 3 is a perspective view of fig. 2 rotated by a certain angle.

Fig. 4 is a perspective view of the internal bracing mechanism of the invention.

Fig. 5 is a perspective view of the cover.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

It is to be understood that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the generic and descriptive sense only and not for purposes of limitation, as the term is used in the generic and descriptive sense, and not for purposes of limitation, unless otherwise specified or implied, and the specific reference to a device or element is intended to be a reference to a particular element, structure, or component. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, e.g., welded, etc.; or can be detachably connected, such as bolts, screw connections and the like; or integrally connected, such as integrally formed, etc.; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 5, the present embodiment provides a housing welding positioning device, including:

a base 1;

a lower electrode mechanism 30 which is arranged on the base 1 and is used for conducting electricity;

and the internal supporting mechanism 31 is arranged on the base 1 and used for tightly supporting the inner hole of the outer cover.

The lower electrode mechanism 30 includes a positioning seat 301 connected to the base 1, a conductive assembly 302 connected to the positioning seat 301, and a lower electrode assembly 303 connected to the conductive assembly 302.

In this embodiment, the inner hole of the outer cover 5 is tightly supported by the inner supporting mechanism 31 to realize the positioning function of the outer cover 5, the inner hole of the outer cover 5 is a middle square hole 501 on the top back plate 50, that is, the positioning of the top back plate 50 is realized, and meanwhile, the outer cover 5 is supported by the conductive component 302, that is, the top back plate 50 is supported. The two side plates 51 of the outer cover 5 are hung on the two sides of the top back plate 50 respectively. During welding, the conductive assembly 302 is electrically connected with the spot welder and is installed into a whole with the spot welder through the base 1, meanwhile, the lower electrode mechanism 30 is opposite to an upper electrode on the spot welder, the outer cover 5 is pressed through the pressing mechanism on the spot welder, when the upper electrode and the lower electrode mechanism 30 are contacted with the outer cover 5, welding current reaches the upper electrode from an anode of a transformer in the spot welder, then reaches the lower electrode mechanism 30 through the outer cover 5, and then returns to a cathode of the transformer 27 through the conductive assembly 302, welding current loop conduction is realized, automatic double-sided spot welding of the top back plate 50 and the side plate 51 included in the outer cover 5 is realized, a worker does not need to hold the top back plate 50 and the side plate 51 for welding, the manual labor intensity is greatly reduced, the production efficiency and the welding quality are improved, the labor intensity caused by the existing welding process is high, the worker is in the vicinity of the electrode for, low efficiency, unattractive welding seams and low production efficiency.

In this embodiment, the positioning seat 301 is connected to the base 1 through a first driving mechanism 2. The movement of the positioning seat 301 relative to the base 1 is realized through the first driving mechanism 2, so that the adjustment can be conveniently carried out according to the size requirements of the outer covers 5 of different models, and the application range is wide. Wherein the first driving mechanism 2 can be an electric cylinder, an air cylinder, an oil cylinder and other linear driving devices. Further, the positioning seat 301 is connected to the base 1 through a first guiding mechanism 4. The first guiding mechanism 4 can realize the guiding function when the first driving mechanism 2 moves relative to the base 1, wherein the first guiding mechanism 4 can be a guide rail and guide groove mechanism, a guide rod and guide sleeve mechanism, and the like.

Further preferably, the conductive assembly 302 includes a first conductive plate 3020, a second conductive plate 3021, a third conductive plate 3022 and a conductive belt 3023, and the lower electrode assembly 303 includes a first lower electrode 3030 connected to the first conductive plate 3020 and a second lower electrode 3031 connected to the second conductive plate 3021; the first conductive plate 3020 is connected to the third conductive plate 3022; the second conductive plate 3021 is connected to the third conductive plate 3022 through the conductive strip 3023; the second conductive plate 3021 is connected to the positioning socket 301 through a second driving mechanism 304. When welding, the third conductive plate 3023 is electrically connected to the spot welder, the first lower electrode 3030 and the second lower electrode 3031 are opposite to the upper electrode on the spot welder, and when the upper electrode, the first lower electrode 3030 and the second lower electrode 3031 are in contact with the outer cover 5, the welding current loop is conducted, so that automatic double-sided spot welding of the top rear plate 50 and the side plate 51 included in the outer cover 5 is realized.

In this embodiment, the second conductive plate 3021 moves relative to the positioning seat 301 through the second driving mechanism 304, so as to adjust the distance between the second conductive plate 3021 and the first conductive plate 3020, thereby facilitating adjustment according to the size requirements of the covers 5 with different models, and the application range is wide. When the second conductive plate 3021 moves relative to the positioning socket 301, the conductive strip 3023 follows the movement, and the second conductive plate 3021 and the third conductive plate 3022 are always connected by the conductive strip 3023, that is, the conductive assembly 302 is always electrified with the spot welding machine. The first conductive plate 3020, the second conductive plate 3021, the third conductive plate 3022, and the conductive strip 3023 are made of conductive metal such as copper and aluminum, or a composite polymer conductive material. Wherein the second driving mechanism 304 may be an electric cylinder, an air cylinder, an oil cylinder, or the like. Further, the second conductive plate 3021 is connected to the positioning socket 301 through a second guide mechanism 305. The guiding function of the second driving mechanism 304 relative to the positioning seat 301 is realized by the second guiding mechanism 305, wherein the second guiding mechanism 305 may be a guide rail and guide groove mechanism, a guide rod and guide sleeve mechanism, or the like.

Further preferably, as shown in fig. 4, the inner supporting mechanism 31 includes a support 310 connected to the base 1, a third driving mechanism 311 connected to the support 310, a mounting seat 312 connected to the third driving mechanism 311, a fourth driving mechanism 313 connected to the mounting seat 312, and a supporting block 314 connected to the fourth driving mechanism 313; the number of the fourth driving mechanisms 313 is at least two. In this embodiment, the inner supporting mechanism 31 is driven by the fourth driving mechanism 313 to support the inner hole of the outer cover 5 tightly, the movement of the supporting block 314 is realized under the action of the fourth driving mechanism 314, so as to conveniently adjust the supporting force of the inner supporting mechanism 31 relative to the outer cover 5, prevent excessive supporting and lead to the deformation of the outer cover 5, or support not enough and lead to the displacement of the outer cover 5, and can adapt to the requirements of the sizes of the outer covers 5 of different models, and the application range is wide.

As shown in fig. 1 to 4, the number of the fourth driving mechanisms 313 is two, and the fourth driving mechanisms are oppositely arranged to realize the left-right centering of the housing 5. Wherein the third driving mechanism 311 may be an electric cylinder, an air cylinder, an oil cylinder, or other linear driving devices. Wherein the fourth driving mechanism 313 may be an electric cylinder, an air cylinder, an oil cylinder, or the like. Further, the mounting seat 312 is connected to the fourth driving mechanism 313 through a third guiding mechanism, so as to implement the moving guiding function of the fourth driving mechanism 313, wherein the third guiding mechanism may be a guide rail guiding mechanism, a guide rod guiding mechanism, or the like.

When the fourth driving mechanism 313 tightly supports the outer cover 5, the outer cover 5 is moved up and down by the third driving mechanism 311, so as to adjust the amount of the up and down movement of the outer cover 5 and adjust the distance between the upper part of the outer cover 5 and the lower electrode mechanism 30 according to actual requirements.

As shown in fig. 1 to 4, the number of the lower electrode mechanisms 30 is two, and the inner supporting mechanism 31 is located between the two lower electrode mechanisms 30. When the top back plate 50 is installed, the inner supporting mechanism 31 is used for realizing the supporting and positioning of the top back plate 50, and then the two side plates 41 are hung on two sides of the top back plate 50 respectively, wherein one edge of the upper surface of the top back plate 50 is flush with the first conductive plate 3020, and according to the sizes of the outer covers 5 of different models, the distance between the first conductive plate 3020 and the second conductive plate 3021 is adjusted through the second driving mechanism 304, so that the edge of the second conductive plate 3021 is flush with the other edge of the upper surface of the top back plate 50.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A housing weld locating device, comprising:

a base (1);

the lower electrode mechanism (30) is arranged on the base (1) and used for conducting electricity;

and the internal supporting mechanism (31) is arranged on the base (1) and is used for tightly supporting the inner hole of the outer cover (4).

2. A housing weld positioning device according to claim 1, characterized in that the lower electrode mechanism (30) comprises a positioning base (301) connected to the base (1), a conductive assembly (302) connected to the positioning base (301), and a lower electrode assembly (303) connected to the conductive assembly (302).

3. The welding and positioning device for the outer cover according to claim 2, characterized in that the positioning seat (301) is connected with the base (1) through a first driving mechanism (2).

4. A cover welding and positioning device according to claim 3, characterized in that said positioning seat (301) is connected to said base (1) by means of a first guiding means (4).

5. A housing welding positioning device according to claim 1, characterized in that said conductive assembly (302) comprises a first conductive plate (3020), a second conductive plate (3021), a third conductive plate (3022) and a conductive strip (3023), said lower electrode assembly (303) comprises a first lower electrode (3030) connected to said first conductive plate (3020) and a second lower electrode (3031) connected to said second conductive plate (3021); the first conductive plate (3020) is connected to the third conductive plate (3022); the second conductive plate (3021) is connected to the third conductive plate (3022) by the conductive strip (3023); the second conductive plate (3021) is connected to the positioning base (301) via a second driving mechanism (304).

6. A cover welding positioning device according to claim 5, characterized in that the second conductive plate (3021) is connected to the positioning socket (301) via a second guiding mechanism (305).

7. The welding and positioning device for the outer cover according to claim 1, characterized in that the inner supporting mechanism (31) comprises a support (310) connected with the base (1), a third driving mechanism (311) connected with the support (310), a mounting seat (312) connected with the third driving mechanism (311), a fourth driving mechanism (313) connected with the mounting seat (312) and a supporting block (314) connected with the fourth driving mechanism (313); the number of the fourth driving mechanisms (313) is at least two.

8. The cover welding positioning device of claim 7, wherein the mounting base is connected to the fourth driving mechanism through a third guiding mechanism.

9. A welding and positioning device for a housing according to any one of claims 1 to 8, characterized in that said lower electrode means (30) are two in number and said internal bracing means (31) is located between said lower electrode means (30).