CN218984682U

CN218984682U - Nut screwing device for connecting wire of photovoltaic junction box

Info

Publication number: CN218984682U
Application number: CN202223611878.8U
Authority: CN
Inventors: 黄定军; 沈燕波
Original assignee: Zhejiang Chuangyuan Photoelectric Technology Co ltd
Current assignee: Zhejiang Chuangyuan Photoelectric Technology Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-09
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the technical field of photovoltaic device assembly equipment, in particular to a nut tightening device for a photovoltaic junction box connecting wire, which comprises the following components: the shell body, the tightening mechanism, locate in said shell body, including the stand, by stand support and rotate rotary chuck and first driving piece driving rotary chuck to rotate with it; one end of the rotary chuck extends out of the shell, and the center opening of the rotary chuck is a working hole; the positioning mechanism is arranged in the shell and is provided with a positioning head which is arranged on the central axis of the rotating chuck, and one end of the positioning head is provided with a positioning hole corresponding to the operation hole; the supporting mechanism comprises a supporting frame sleeved on the outer side of the positioning mechanism. The nut tightening device for the connecting wire of the photovoltaic junction box has the advantages of simplicity in operation, stable performance and strong practicability.

Description

Nut screwing device for connecting wire of photovoltaic junction box

Technical Field

The utility model relates to the technical field of photovoltaic device assembly equipment, in particular to a nut tightening device for a photovoltaic junction box connecting wire.

Background

The photovoltaic junction box is a device for connecting and protecting a solar photovoltaic module, connecting electric power generated by a solar cell with an external circuit and conducting current generated by the photovoltaic module. The connection lines are an important component of the photovoltaic junction box. The connecting wire needs to be screwed down with the nut at the beginning of the assembly.

At present, the nut screwing operation of the connecting wire for the photovoltaic junction box mainly comprises two modes, namely, the operation is carried out by hand by a worker, the input cost is low, the efficiency is low, the rejection rate is high, and the production requirement is difficult to adapt; the other is with the help of the apparatus, for example, the solar photovoltaic connector nut fastener disclosed by the authority number CN 202282545U, the device can overcome the defect of manual production, but the nut is required to be correspondingly arranged in the nut mounting hole on the device, the fastening operation of the nut is realized through the action of a servo motor, on one hand, the operation accuracy of a feeding person is required to be high, and on the other hand, the mode of screwing the nut is poor in stability and can influence the yield. Therefore, a nut tightening device for connecting wires of a photovoltaic junction box is needed.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is to solve the problems that the nut tightening device for the connecting wire of the photovoltaic junction box is difficult to operate and has poor stability and practicability in the prior art, so that the nut tightening device for the connecting wire of the photovoltaic junction box is convenient to operate, stable in performance and high in practicability.

For this purpose, the utility model provides the following technical scheme:

a nut tightening device for a photovoltaic junction box connection line, comprising: the shell body, the tightening mechanism, locate in said shell body, including the stand, by stand support and rotate rotary chuck and first driving piece driving rotary chuck to rotate with it; one end of the rotary chuck extends out of the shell, and the center opening of the rotary chuck is a working hole; the positioning mechanism is arranged in the shell and is provided with a positioning head which is arranged on the central axis of the rotating chuck, and one end of the positioning head is provided with a positioning hole corresponding to the operation hole; the supporting mechanism comprises a supporting frame which is sleeved on the outer side of the positioning mechanism and is connected with the vertical frame.

Further, one end of the positioning head far away from the rotating chuck is provided with a connecting column, the bottom of the connecting column is connected with a connecting plate, the connecting plate is slidably arranged on the bottom plate of the shell and is connected with a second driving piece, and the second driving piece is fixedly connected with the inner wall of the shell and can drive the positioning head to reciprocate.

Further, the supporting mechanism further comprises a third driving piece, and the third driving piece is connected with the supporting frame and used for driving the supporting frame to reciprocate along the central axis direction of the positioning head; the support frame includes the backup pad, vertical setting to sliding sleeve joint with the spliced pole.

Furthermore, two limit posts are symmetrically arranged at one end of the vertical frame, and the support plate is in sliding connection with each limit post.

Further, a sliding rail is arranged below the supporting plate in the shell, the bottom of the supporting plate is connected with a sliding plate, and a sliding groove matched with the sliding rail is arranged at the bottom end of the sliding plate.

Further, the periphery of the rotary chuck is provided with saw teeth; the first driving piece is a servo motor, the output end of the servo motor is connected with a speed reducer, a driving gear is connected with the servo motor through the speed reducer, and the driving gear is meshed with saw teeth on the periphery of the rotary chuck.

Further, the device also comprises a control mechanism which is arranged at one side in the shell and is electrically connected with the first driving piece, the second driving piece, the third driving piece and the fourth driving piece respectively; the control mechanism is provided with a master control switch outside the shell.

The technical scheme of the nut tightening device for the photovoltaic junction box connecting wire has the following advantages:

according to the nut tightening device for the connecting wire of the photovoltaic junction box, the positioning mechanism and the tightening mechanism are sequentially arranged in the shell, when the nut tightening device is used, an operator can directly insert the connecting wire to be machined from the operation hole, the connecting wire is fixed after being abutted against the positioning head, then the rotating chuck tightens, the claw teeth clamp the nut part of the connecting wire and drive the nut to rotate under the action of the first driving piece, the tightening operation is realized, compared with the traditional tightening mode, the operation of tightening the connecting wire nut through the cooperation of the rotating chuck and the positioning head is better in stability, the operation is more convenient, and the practicability is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the whole structure of a nut tightening device for connecting wires of a photovoltaic junction box;

FIG. 2 is a cross-sectional view of a positioning head in the nut tightening device for the photovoltaic junction box connection line shown in FIG. 1;

FIG. 3 is a schematic view of the tightening mechanism of the present utility model;

reference numerals illustrate:

1. a housing; 11. a slide rail;

2. a tightening mechanism; 21. a vertical frame; 211. a limit column; 22. a rotating chuck; 222. a working hole; 223. saw teeth; 23. a first driving member; 231. a speed reducer; 232. a drive gear;

3. a positioning mechanism; 31. a positioning head; 311. positioning holes; 32. a connecting column; 33. a connecting plate; 34. a second driving member;

4. a support mechanism; 41. a support frame; 411. a support plate; 412. an annular plate; 413. a cross bar; 414. a slide plate; 4141. a chute; 42. a third driving member;

5. a control mechanism; 51. and (3) a switch.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between 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 addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Referring to fig. 1 to 3, the present embodiment provides a nut tightening device for a connecting wire of a photovoltaic junction box, which includes a housing 1, a tightening mechanism 2, a positioning mechanism 3, and a supporting mechanism 4. The tightening mechanism 2 is arranged in the shell 1 and comprises a stand 21, a rotary chuck 22 supported by the stand 21 and rotationally connected with the stand 21, and a first driving piece 23 for driving the rotary chuck 22 to rotate; the stand 21 is a cube as a whole, the rotary chuck 22 is horizontally arranged in the middle of the stand, one end of the rotary chuck 22 extends out of the casing 1, a working hole 222 is formed in the center opening of the rotary chuck 22 and is used for an operator to insert a connecting wire joint to be processed, and the rotary chuck 22 can grasp a nut part of the connecting wire inserted into the working hole 222 through the claw teeth of the operator and drive the nut to rotate under the action of the first driving piece 23. The positioning mechanism 3 is also disposed in the housing 1 for cooperating with the tightening device, the positioning mechanism 3 has a positioning head 31 disposed coaxially with the spin chuck 22, the positioning head 31 is disposed horizontally, and a positioning hole 311 corresponding to the working hole 222 is formed at one end. The supporting mechanism 4 comprises a supporting frame 41, and the supporting frame 41 is sleeved on the outer side of the positioning mechanism 3 and is connected with the vertical frame 21.

When the nut tightening device is used, an operator can directly insert a connecting wire to be processed from the operation hole 222 and fix the connecting wire after abutting against the positioning head 31; the spin chuck 22 is then tightened, the claw teeth grip the nut portion of the connection wire and, under the action of the first driver 23, drive the nut in rotation, effecting the tightening operation. Compared with the traditional tightening mode, the tightening device has the advantages that the tightening operation is performed on the connecting wire nut through the cooperation of the rotating chuck 22 and the positioning head 31, the stability is better, the operation is more convenient, and the practicability is improved.

The end of the positioning head 31 far away from the spin chuck 22 is provided with a connecting column 32, the bottom of the connecting column 32 is connected with a connecting plate 33, the connecting plate 33 is slidably arranged on the bottom plate of the housing 1, and is connected with a second driving member 34, the second driving member 34 is an air cylinder, and is fixedly connected with the inner wall of the housing 1, so that the positioning head 31 can be driven to reciprocate. The supporting mechanism 4 further comprises a third driving piece 42, the third driving piece 42 is an air cylinder, and the third driving piece 42 is connected with the supporting frame 41 and used for driving the supporting frame 41 to reciprocate along the central axis direction of the positioning head 31; the support frame 41 is equipped with backup pad 411 in the one end that is close to tightening mechanism 2, and backup pad 411 is vertical to be set up, and the center rotates to be connected with annular plate 412, and annular plate 412 and spliced pole 32 slip cup joint, and is connected with a plurality of crossbars 413 between annular plate 412 and the spin chuck 22.

Two limiting posts 211 are symmetrically disposed at one end of the stand 21, and a supporting plate 411 is slidably connected to each of the limiting posts 211. A sliding rail 11 is arranged below the supporting plate 411 in the shell 1, the bottom of the supporting plate 411 is connected with a sliding plate 414, and the bottom end of the sliding plate 414 is provided with a sliding groove 4141 matched with the sliding rail 11.

Specifically, the spin chuck 22 is a three-tooth chuck, and has saw teeth 223 on its outer periphery; the first driving member 23 is a servo motor, the output end of which is connected with a speed reducer 231, and is connected with a driving gear 232 through the speed reducer 231, and the driving gear 232 is engaged with the saw teeth 223 on the outer periphery of the spin chuck 22.

Specifically, the device also comprises a control mechanism 5, wherein the control mechanism 5 is arranged at one side in the shell 1 and is electrically connected with the first driving piece 23, the second driving piece 34, the third driving piece 42 and the fourth driving piece respectively; the control mechanism 5 is provided with a switch 51 outside the casing 1.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims

1. The utility model provides a photovoltaic terminal box nut screwing device for connecting wire which characterized in that includes:

a housing (1),

the tightening mechanism (2) is arranged in the shell (1) and comprises a stand (21), a rotary chuck (22) supported by the stand (21) and rotationally connected with the stand, and a first driving piece (23) for driving the rotary chuck (22) to rotate; one end of the rotary chuck (22) extends out of the shell (1), and the center opening of the rotary chuck is a working hole (222);

the positioning mechanism (3) is arranged in the shell (1) and is provided with a positioning head (31) which is arranged on the central axis of the rotary chuck (22), and one end of the positioning head (31) is provided with a positioning hole (311) corresponding to the operation hole (222);

the supporting mechanism (4) comprises a supporting frame (41) sleeved on the outer side of the positioning mechanism (3) and connected with the stand (21).

2. The nut tightening device for connecting wires of a photovoltaic junction box according to claim 1, wherein a connecting column (32) is arranged at one end of the positioning head (31) far away from the rotating chuck (22), a connecting plate (33) is connected to the bottom of the connecting column (32), the connecting plate (33) is slidably arranged on the bottom plate of the shell (1) and is connected with a second driving piece (34), and the second driving piece (34) is fixedly connected with the inner wall of the shell (1) and can drive the positioning head (31) to reciprocate.

3. The nut tightening device for connecting wires of a photovoltaic junction box according to claim 2, wherein the supporting mechanism (4) further comprises a third driving member (42), the third driving member (42) is connected with the supporting frame (41) and is used for driving the supporting frame (41) to reciprocate along the central axis direction of the positioning head (31); the support frame (41) comprises a support plate (411), and the support plate (411) is vertically arranged and is in sliding sleeve joint with the connecting column (32).

4. A nut tightening device for connecting wires of a photovoltaic junction box according to claim 3, characterized in that two limit posts (211) are symmetrically arranged at one end of the stand (21), and the support plate (411) is slidably connected with each limit post (211).

5. The nut tightening device for a photovoltaic junction box connecting wire according to any one of claims 3 or 4, characterized in that a sliding rail (11) is arranged below a supporting plate (411) in the shell (1), a sliding plate (414) is connected to the bottom of the supporting plate (411), and a sliding groove (4141) matched with the sliding rail (11) is arranged at the bottom end of the sliding plate (414).

6. The nut tightening device for a connection wire of a photovoltaic junction box according to any one of claims 1 to 4, characterized in that the outer periphery of the rotating chuck (22) is provided with serrations (223);

the first driving piece (23) is a servo motor, the output end of the servo motor is connected with a speed reducer (231), a driving gear (232) is connected with the output end of the servo motor through the speed reducer (231), and the driving gear (232) is meshed with saw teeth (223) on the periphery of the rotary chuck (22).

7. The nut tightening device for connecting wires of a photovoltaic junction box according to claim 6, further comprising a control mechanism (5), wherein the control mechanism (5) is arranged at one side in the housing (1) and is electrically connected with the first driving piece (23), the second driving piece (34), the third driving piece (42) and the fourth driving piece respectively; the control mechanism (5) is provided with a master control switch (51) outside the shell (1).