CN220330432U - Auxiliary tool - Google Patents

Abstract

The utility model relates to the technical field of welding manufacture of photovoltaic equipment, in particular to an auxiliary tool. The auxiliary tool is used for assisting welding of the photovoltaic junction box and the bus bar and comprises a lifting driving piece, a mounting seat and a pressing mechanism. The mount pad sets up in the output of lift driving piece, and lift driving piece can drive mount pad elevating movement. The photovoltaic junction box is arranged below the pressing mechanism, the pressing mechanism comprises a first pressing component and a second pressing component, the first pressing component is arranged on the mounting seat in a sliding manner along the vertical direction, and the first pressing component is used for pressing the photovoltaic junction box; the second swager assembly slides along vertical direction and sets up in first swager assembly, and second swager assembly is used for compressing tightly the busbar on photovoltaic terminal box. The bus bar and the photovoltaic junction box are respectively pressed and fixed through the pressing mechanism, the bus bar and the photovoltaic junction box are prevented from shifting, the contact area of the welding part of the bus bar and the photovoltaic junction box is ensured to be larger, the cold joint is effectively avoided, and the welding yield is improved.

Description

Auxiliary tool

Technical Field

The utility model relates to the technical field of welding manufacture of photovoltaic equipment, in particular to an auxiliary tool.

Background

In the technical field of welding and manufacturing of photovoltaic equipment, welding of a photovoltaic junction box and a bus bar is an important ring. The existing welding mode is that a plurality of bus bars are sequentially welded on a welding strip of a photovoltaic junction box through manpower, production efficiency is low, and when welding is conducted, the bus bars and the photovoltaic junction box are offset due to the fact that the contact area of the bus bars and the welding strip is small, and when welding is conducted, the situation of cold welding is caused, and then the welding yield is low, the resistance of a welding part is increased when cold welding is conducted, and when the power is on, the welding part heats and the welding strip of the bus bars and the photovoltaic junction box is burnt.

Therefore, an auxiliary tool is needed to solve the above problems.

Disclosure of Invention

The utility model aims to provide an auxiliary tool, which solves the problems of low efficiency, low welding yield and poor welding of the existing welding mode of a photovoltaic junction box and a bus bar.

In order to achieve the above object, the following technical scheme is provided:

the auxiliary fixtures for the welding of supplementary photovoltaic terminal box and busbar, this auxiliary fixtures includes:

a lifting driving member;

the mounting seat is arranged at the output end of the lifting driving piece, and the lifting driving piece can drive the mounting seat to move up and down;

the photovoltaic junction box is arranged below the pressing mechanism, the pressing mechanism comprises a first pressing component and a second pressing component, the first pressing component is arranged on the mounting seat in a sliding manner along the vertical direction, and the first pressing component is used for pressing the photovoltaic junction box; the second swager assembly slides along vertical direction and sets up in first swager assembly, and second swager assembly is used for compressing tightly the busbar on photovoltaic terminal box.

Preferably, the first pressing assembly includes:

the first mounting plate is slidably mounted on the mounting seat;

two first pressure heads are installed in the bottom of first mounting panel and set up at the interval in the horizontal direction, and first pressure head can with photovoltaic terminal box butt.

Preferably, the second pressing assembly includes:

the second mounting plate is slidably mounted on the first mounting plate;

the second pressure heads are arranged at the bottom of the first mounting plate and located between the two first pressure heads, the arrangement direction of the second pressure heads is the same as the arrangement direction of the first pressure heads, and the second pressure heads can be abutted with the bus bars.

Preferably, the bottoms of two adjacent second pressure heads are provided with avoidance ports, and the two avoidance ports are arranged towards each other to form an avoidance channel which is used for avoiding components on the photovoltaic junction box.

Preferably, the avoidance channel extends to two ends of the second pressure head in the horizontal direction along the direction perpendicular to the arrangement direction of the second pressure head, and a gap exists between the second pressure head and the components on the photovoltaic junction box, so that the bus bar can pass through the avoidance channel.

Preferably, the bottom surface of the second pressure head abutting against the bus bar is provided with an abutting groove, the abutting groove is used for abutting against the bus bar, the abutting groove extends to two ends of the second pressure head in the direction perpendicular to the arrangement direction of the second pressure head in the horizontal direction, and the depth of the abutting groove is smaller than the diameter of the bus bar.

Preferably, the pressing mechanism further comprises a first elastic piece, the top of the mounting seat is provided with a connecting plate, one end of the first elastic piece is connected to the connecting plate, the other end of the first elastic piece is connected to the top of the first pressing assembly, and when the first pressing assembly presses the photovoltaic junction box, the first elastic piece is in a compressed state.

Preferably, the pressing mechanism further comprises a second elastic piece, one end of the second elastic piece is connected to the connecting plate, the other end of the second elastic piece is connected to the top of the second pressing assembly, and when the second pressing assembly presses the bus bar, the second elastic piece is in a compressed state.

Preferably, a baffle is arranged at the bottom of the mounting seat and positioned below the pressing mechanism, and the baffle is used for receiving the first pressing assembly and the second pressing assembly.

Preferably, the lifting driving piece is a sliding table cylinder, and the output end of the sliding table cylinder is connected with the mounting seat.

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

according to the auxiliary tool provided by the utility model, the bus bar is pressed on the photovoltaic junction box through the second pressing component, the photovoltaic junction box is pressed and fixed through the first pressing component, so that the bus bar and the photovoltaic junction box are prevented from shifting during welding, the welding operation is smoother and more convenient, and the welding efficiency is improved; and the contact area of the welding part of the bus bar and the photovoltaic junction box is ensured to be larger, so that the cold joint can be effectively avoided, the welding effect is better, and the welding yield is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic structural diagram of an auxiliary tool provided by the utility model;

FIG. 2 is a front view of an auxiliary tool provided by the utility model;

fig. 3 is a schematic view of another view angle structure of the auxiliary tool provided by the utility model.

Reference numerals:

1. a lifting driving member;

2. a mounting base;

3. a material pressing mechanism; 31. a first pressing assembly; 311. a first mounting plate; 312. a first ram; 32. a second pressing assembly; 321. a second mounting plate; 322. a second ram; 3221. an avoidance channel; 33. a first elastic member; 34. a second elastic member;

4. a photovoltaic junction box; 5. a bus bar; 6. a connecting plate; 7. and a baffle.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present utility model, the terms "upper," "lower," "left," "right," and the like are used for convenience of description and simplicity of operation based on the orientation or positional relationship shown in the drawings, and do not denote or imply that the apparatus or element in question must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1 and 2, the present embodiment provides an auxiliary tool for assisting welding of a photovoltaic junction box 4 and a bus bar 5, which includes a lifting driving member 1, a mounting seat 2 and a pressing mechanism 3. The mount pad 2 sets up in the output of lift driver 1, and lift driver 1 can drive mount pad 2 elevating movement. The photovoltaic junction box 4 is arranged below the pressing mechanism 3, the pressing mechanism 3 comprises a first pressing component 31 and a second pressing component 32, the first pressing component 31 is arranged on the mounting seat 2 in a sliding manner along the vertical direction, and the first pressing component 31 is used for pressing the photovoltaic junction box 4; the second pressing component 32 is slidably arranged on the first pressing component 31 along the vertical direction, and the second pressing component 32 is used for pressing the bus bar 5 on the photovoltaic junction box 4.

When in use, the initial position of the first material pressing component 31 is positioned at the bottom end of the mounting seat 2, the initial position of the second material pressing component 32 is positioned at the bottom end of the first material pressing component 31, and the material pressing mechanism 3 is positioned above the photovoltaic junction box 4. The lifting driving piece 1 drives the mounting seat 2 to descend, the mounting seat 2 drives the pressing mechanism 3 to descend, the second pressing assembly 32 is firstly abutted against the bus bar 5, and the bus bar 5 is pressed on the welding part of the photovoltaic junction box 4 by utilizing the gravity of the second pressing assembly 32. The lifting driving piece 1 continues to drive the mounting seat 2 to descend, the second pressing assembly 32 at the moment slides relative to the first pressing assembly 31, then the first pressing assembly 31 is abutted against the photovoltaic junction box 4, the photovoltaic junction box 4 is fixed by the gravity of the first pressing assembly 31, and the lifting driving piece 1 stops driving the mounting seat 2 to descend. After the bus bar 5 and the photovoltaic junction box 4 are fixed by the above operations, the subsequent welding operation can be performed. The auxiliary tool of the embodiment compresses the bus bar 5 on the photovoltaic junction box 4 through the second material pressing component 32, the photovoltaic junction box 4 is fixed by the first material pressing component 31, the bus bar 5 and the photovoltaic junction box 4 are prevented from shifting during welding, the welding operation is smoother and more convenient, and the welding efficiency is improved; and guaranteed busbar 5 and photovoltaic terminal box 4's welding position area of contact bigger, and then can effectively avoid the rosin joint, make the welding effect better, improved the welding yields.

Further, the first pressing assembly 31 includes a first mounting plate 311 and two first pressing heads 312, and the first mounting plate 311 is slidably mounted on the mounting base 2. Two first pressure heads 312 are mounted at the bottom of the first mounting plate 311 and are arranged at intervals in the horizontal direction, and the first pressure heads 312 can be abutted against the photovoltaic junction box 4. This scheme presses the both ends of photovoltaic terminal box 4 through two first pressure heads 312, can make photovoltaic terminal box 4 more stable in the welding process, can not take place the skew.

Specifically, a first guide rail is disposed on the mounting seat 2, a first slider is disposed on the first mounting plate 311, a sliding groove is disposed on the first slider, and the first guide rail is slidably connected with the sliding groove of the first slider. By the sliding fit of the guide rail and the chute, the first pressing assembly 31 can slide on the mounting seat 2 more stably.

Further, the second pressing assembly 32 includes a second mounting plate 321 and a plurality of second pressing heads 322, and the second mounting plate 321 is slidably mounted on the first mounting plate 311; the plurality of second pressure heads 322 are installed at the bottom of the first mounting plate 311 and located between the two first pressure heads 312, the arrangement direction of the plurality of second pressure heads 322 is the same as the arrangement direction of the first pressure heads 312, and the second pressure heads 322 can be abutted with the bus bars 5. And each second pressing head 322 correspondingly presses one bus bar 5 on the photovoltaic junction box 4, thereby ensuring better stakeholder effect of the bus bar 5. When the first pressing component 31 and the second pressing component 32 are both at the initial positions, the bottom of the second pressing head 322 is lower than the bottom of the first pressing head 312, so that the second pressing head 322 presses the bus bar 5 onto the photovoltaic junction box 4 first and then the first pressing head 312 presses the photovoltaic junction box 4 again in the process that the lifting driving piece 1 drives the mounting seat 2 to descend. Since there are a plurality of welding sites on the photovoltaic junction box 4 to be welded with a plurality of bus bars 5, the number of the second pressing heads 322 may be determined according to the welding condition.

Specifically, a second guide rail is disposed on the first mounting plate 311, a second slider is disposed on the second mounting plate 321, a sliding groove is disposed on the second slider, and the second guide rail is slidably connected with the sliding groove of the second slider. The second mounting plate 321 can slide on the first mounting plate 311 more stably by the sliding fit of the guide rail and the chute.

Further, since other components are present on the photovoltaic junction box 4, the second presser head 322 is provided to prevent the components from being crushed. The bottoms of two adjacent second pressure heads 322 are provided with avoidance ports, and the two avoidance ports are arranged towards each other to form an avoidance channel 3221, and the avoidance channel 3221 is used for avoiding components on the photovoltaic junction box 4. The specific structure of the avoidance opening and the avoidance channel 3221 is shown in fig. 2, but is not limited to the structure shown in fig. 2. It should be noted that, the above specific selection of two adjacent second pressure heads 322 with avoidance openings at the bottom may enable a technician to select two suitable adjacent second pressure heads 322 according to the specific positions of the components of the photovoltaic junction box 4, so that the avoidance channel 3221 can effectively avoid the components on the photovoltaic junction box 4.

Further, the avoidance channel 3221 extends to two ends of the second pressure head 322 along the direction perpendicular to the arrangement direction of the second pressure head 322 in the horizontal direction, and the space of the avoidance channel 3221 is larger than the volume of the components on the photovoltaic junction box 4, so that a certain gap is formed between the components and the second pressure head 322, and the bus bar 5 can pass through the avoidance channel 3221. In this embodiment, taking the welding of the plurality of bus bars 5 as an example, the plurality of bus bars 5 are twisted into one strand, then the plurality of bus bars 5 pass through the avoidance channel 3221 from the end of the avoidance channel 3221 far away from the lifting driving member 1, after passing through, the plurality of bus bars 5 are separated at the other end of the avoidance channel 3221, and each bus bar 5 is respectively bent to the welding position on the photovoltaic junction box 4. Therefore, the avoidance channel 3221 plays a limiting role on the bus bars 5, and a plurality of bus bars 5 are easier to place at welding positions, so that welding operation is more convenient.

Further, an abutting groove is formed in the bottom surface of the second pressure head 322 abutting against the bus bar 5, the abutting groove is used for abutting against the bus bar 5, the abutting groove extends to two ends of the second pressure head 322 in the direction perpendicular to the arrangement direction of the second pressure head 322 in the horizontal direction, and the depth of the abutting groove is smaller than the diameter of the bus bar 5. This solution allows the second ram 322 to more stably press the bus bar 5 against the photovoltaic junction box 4, preventing the bus bar 5 from being extruded due to pressure during the pressing process.

Further, the pressing mechanism 3 further includes a first elastic member 33, a connecting plate 6 is disposed at the top of the mounting base 2, the connecting plate 6 is located right above the pressing mechanism 3, one end of the first elastic member 33 is connected to the bottom of the connecting plate 6, the other end is connected to the top of the first pressing component 31, and when the first pressing component 31 presses the photovoltaic junction box 4, the first elastic member 33 is in a compressed state. When the first pressing component 31 is at the initial position, the first elastic piece 33 is in a normal state, when the first pressing component 31 presses the photovoltaic junction box 4 and the mounting seat 2 continuously descends, the first elastic piece 33 is in a compressed state, the elastic force of the first elastic piece 33 and the gravity of the first pressing component 31 provide pressing force for the photovoltaic junction box 4, the photovoltaic junction box 4 is pressed more stably, and the elastic force provided by the first elastic piece 33 can prevent the photovoltaic junction box 4 from being pressed out, so that the photovoltaic junction box 4 is prevented from being crushed.

Further, the pressing mechanism 3 further includes a second elastic member 34, one end of the second elastic member 34 is connected to the connecting plate 6, and the other end is connected to the top of the second pressing assembly 32, and when the second pressing assembly 32 presses the bus bar 5, the second elastic member 34 is in a compressed state. When the second pressing assembly 32 is at the initial position, the second elastic member 34 is in a normal state, and when the second pressing assembly 32 presses the bus bar 5 and the mounting seat 2 continues to descend, the second elastic member 34 is in a compressed state, the elastic force of the second elastic member 34 and the gravity of the second pressing assembly 32 provide a pressing force for the bus bar 5, the bus bar 5 is pressed more stably, and the elastic force provided by the second elastic member 34 can prevent the bus bar 5 from being pressed, so that the bus bar 5 is prevented from being crushed.

Further, as shown in fig. 3, in order to enable the first and second swage assemblies 31 and 32 to be at the initial positions, the first and second swage assemblies 31 and 32 can be supported. The bottom of mount pad 2 is provided with baffle 7, and baffle 7 is located the below of swager constructs 3, and baffle 7 is used for accepting first swager subassembly 31 and second swager subassembly 32. So as to prevent the first pressing assembly 31 from sliding off the second pressing assembly 32 and the second pressing assembly 32 from sliding off the mounting seat 2.

Further, the lifting driving piece 1 is a sliding table cylinder, and the output end of the sliding table cylinder is connected with the mounting seat 2. The sliding table cylinder has the advantages of high positioning accuracy, strong controllability, stable movement, wear resistance and the like.

Note that in the description of this specification, a description referring to terms "some embodiments", "other embodiments", and the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing description is only of the preferred embodiments of the utility model and the technical principles employed. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (10)

1. Auxiliary fixtures for the welding of supplementary photovoltaic terminal box (4) and busbar (5), its characterized in that includes:

a lifting driving member (1);

the mounting seat (2), the mounting seat (2) is arranged at the output end of the lifting driving piece (1), and the lifting driving piece (1) can drive the mounting seat (2) to move in a lifting manner;

the photovoltaic junction box comprises a pressing mechanism (3), wherein the photovoltaic junction box (4) is arranged below the pressing mechanism (3), the pressing mechanism (3) comprises a first pressing component (31) and a second pressing component (32), the first pressing component (31) is arranged on the mounting seat (2) in a sliding manner along the vertical direction, and the first pressing component (31) is used for pressing the photovoltaic junction box (4); the second material pressing assembly (32) is arranged on the first material pressing assembly (31) in a sliding mode along the vertical direction, and the second material pressing assembly (32) is used for pressing the bus bar (5) onto the photovoltaic junction box (4).

2. Auxiliary tool according to claim 1, characterized in that said first swage assembly (31) comprises:

a first mounting plate (311) slidably mounted on the mounting base (2);

and the two first pressure heads (312) are arranged at the bottom of the first mounting plate (311) at intervals in the horizontal direction, and the first pressure heads (312) can be abutted with the photovoltaic junction box (4).

3. The auxiliary tool according to claim 2, wherein the second press assembly (32) comprises:

a second mounting plate (321) slidably mounted to the first mounting plate (311);

the second pressure heads (322) are arranged at the bottom of the first mounting plate (311) and located between the two first pressure heads (312), the arrangement directions of the second pressure heads (322) and the arrangement directions of the first pressure heads (312) are in the same direction, and the second pressure heads (322) can be abutted to the bus bars (5).

4. An auxiliary tool according to claim 3, wherein the bottoms of two adjacent second pressure heads (322) are provided with avoidance ports, the two avoidance ports are arranged towards each other to form an avoidance channel (3221), and the avoidance channel (3221) is used for avoiding components on the photovoltaic junction box (4).

5. The auxiliary tool according to claim 4, wherein the avoidance channel (3221) extends to two ends of the second pressure head (322) along a direction perpendicular to the arrangement direction of the second pressure head (322) in a horizontal direction, and a gap exists between a component on the photovoltaic junction box (4) and the second pressure head (322) so that the bus bar (5) can pass through the avoidance channel (3221).

6. An auxiliary tool according to claim 3, wherein an abutting groove is provided on a bottom surface of the second press head (322) abutting against the bus bar (5), the abutting groove is used for abutting against the bus bar (5), the abutting groove extends to two ends of the second press head (322) in a direction perpendicular to the arrangement direction of the second press head (322) in a horizontal direction, and the depth of the abutting groove is smaller than the diameter of the bus bar (5).

7. The auxiliary tool according to any one of claims 1-6, wherein the pressing mechanism (3) further comprises a first elastic member (33), a connecting plate (6) is arranged at the top of the mounting seat (2), one end of the first elastic member (33) is connected to the connecting plate (6), the other end of the first elastic member is connected to the top of the first pressing assembly (31), and when the first pressing assembly (31) presses the photovoltaic junction box (4), the first elastic member (33) is in a compressed state.

8. The auxiliary tool according to claim 7, wherein the pressing mechanism (3) further comprises a second elastic member (34), one end of the second elastic member (34) is connected to the connecting plate (6), the other end is connected to the top of the second pressing assembly (32), and when the second pressing assembly (32) presses the bus bar (5), the second elastic member (34) is in a compressed state.

9. The auxiliary tool according to any one of claims 1-6, wherein a baffle (7) is arranged at the bottom of the mounting seat (2), the baffle (7) is positioned below the pressing mechanism (3), and the baffle (7) is used for receiving the first pressing assembly (31) and the second pressing assembly (32).

10. The auxiliary tool according to any one of claims 1-6, wherein the lifting driving member (1) is a sliding table cylinder, and an output end of the sliding table cylinder is connected with the mounting seat (2).