阅读说明：本技术 一种光伏背板接线盒组装设备 (Photovoltaic backplate terminal box equipment ) 是由 李剑峰 于 2021-03-02 设计创作，主要内容包括：本发明提出了一种光伏背板接线盒组装设备,包括机架,所述机架下部设有接线盒上料机构,所述接线盒上料机构上部设有光伏板输送线,所述光伏板输送线上部设有抓取组装机构和涂胶机构,所述光伏输送线四周设有矫正装置,本设备能够自动上料光伏板,并且自动上料接线盒,并且不会接线盒的载具固定幸好,能够有序抓取产品；通过特别设计的抓取组装机构机构准确抓取接线盒盖体,并与光伏板上的汇流条插合,且保证汇流条在插合过程中不弯曲,插合准确,并且组装后能够将汇流条压弯,达到预设要求。(The invention provides a photovoltaic backboard junction box assembling device which comprises a rack, wherein a junction box feeding mechanism is arranged at the lower part of the rack, a photovoltaic panel conveying line is arranged at the upper part of the junction box feeding mechanism, a grabbing assembling mechanism and a gluing mechanism are arranged at the upper part of the photovoltaic panel conveying line, and correction devices are arranged around the photovoltaic conveying line; the junction box cover body is accurately grabbed by the grabbing and assembling mechanism through the special design, the junction box cover body is inserted into the bus bar on the photovoltaic panel, the bus bar is not bent in the inserting and assembling process, the inserting and assembling are accurate, the bus bar can be bent after the junction box is assembled, and the preset requirement is met.)

1. The photovoltaic backboard junction box assembling equipment comprises a rack and is characterized in that a junction box feeding mechanism is arranged at the lower part of the rack, a photovoltaic board conveying line is arranged at the upper part of the junction box feeding mechanism, a grabbing assembling mechanism and a gluing mechanism are arranged at the upper part of the photovoltaic board conveying line, and correction devices are arranged around the photovoltaic conveying line;

the rack is also provided with a junction box aligning mechanism which is used for correcting the position of the junction box;

the grabbing and assembling mechanism is used for grabbing the product onto the photovoltaic back plate and inserting the bus bar on the photovoltaic back plate into the junction box.

2. The photovoltaic backboard junction box assembling equipment according to claim 1, wherein the grabbing and assembling mechanism comprises a first conveying module, two sets of first lifting mechanisms and a second lifting mechanism located between the first lifting mechanisms are arranged on the first conveying module, a pressing cylinder is arranged on the first lifting mechanism, a first clamping jaw cylinder is connected to the output end of the pressing cylinder, the first clamping jaw cylinder is used for grabbing a lower cover of the junction box, a Z-shaped plate is further connected to the output end of the pressing cylinder, a second clamping jaw cylinder is arranged at the tail end of the Z-shaped plate, and the second clamping jaw cylinder is used for grabbing wires of the junction box; and a third clamping jaw cylinder is arranged at the lower part of the Z-shaped plate, and the output end of the third clamping jaw cylinder extends between the clamping jaws of the first clamping jaw cylinder.

3. The photovoltaic backboard junction box assembling equipment according to claim 2, wherein the first lifting mechanism is further provided with a bus bar clamping cylinder, the output end of the bus bar clamping cylinder is symmetrically provided with clamping pieces, the end parts of the clamping pieces are provided with Y-shaped grooves, and the clamping pieces extend to the lower part of the first clamping jaw cylinder.

4. The photovoltaic backplane junction box assembly apparatus of claim 2, wherein two sets of tilt arms are connected to the output end of the third jaw cylinder, and wherein the tilt arms are provided with vertical portions at ends thereof.

5. The photovoltaic backboard junction box assembling equipment according to claim 1, wherein the junction box feeding mechanism comprises two sets of longitudinal conveying lines and a grabbing mechanism located at the upper portion, the ends of the longitudinal conveying lines are provided with transverse conveying lines, carriers are arranged on the transverse conveying lines, conveying rods are arranged at two ends of each transverse conveying line and extend between the transverse conveying lines, and the ends of the conveying rods are provided with power mechanisms which are connected with the longitudinal conveying lines.

6. The photovoltaic backboard junction box assembling equipment according to claim 5, wherein the power mechanism comprises a rotating shaft, a driving motor is arranged at one end of the rotating shaft, a first synchronizing wheel is arranged at the other end of the rotating shaft, a synchronizing chain is connected onto the first synchronizing wheel, an inner rack is arranged inside the synchronizing chain, a driving gear is arranged at one end of the conveying rod, and the driving gear is meshed with the inner rack.

7. The photovoltaic backboard junction box assembling equipment according to claim 5, wherein the carrier comprises a carrier plate, two sets of vertically arranged first clamping strips and two sets of vertically arranged second clamping strips are arranged on the carrier plate, a first bayonet is arranged on one side opposite to the first clamping strips, a second bayonet is arranged on the other side, and a third bayonet is arranged on the second clamping strips and on one side of the second bayonet.

8. The photovoltaic backboard junction box assembling equipment according to claim 1, wherein the junction box aligning mechanism comprises a bottom plate, a profiling block is arranged on the bottom plate, adjusting assemblies are arranged on two sides of the profiling block and comprise a pushing cylinder located at an end portion, a wedge block located at the other end and a double-shaft cylinder located at the bottom, a clamping block is connected to the output end of the double-shaft cylinder, a pressing wheel is arranged on the clamping block, a placing plate is arranged on the upper portion of the double-shaft cylinder, and the pressing wheel is located on the side edge of the placing plate and higher than the placing plate.

9. The photovoltaic backboard junction box assembling equipment according to claim 1, wherein the correction device comprises a pulling rotating shaft positioned at the end part of the photovoltaic board conveying line, first pulling belts are arranged at two ends of the pulling rotating shaft, a servo motor is arranged in the middle of the pulling rotating shaft, clamping pieces are respectively arranged on the pulling belts, correction cylinders are arranged on the clamping pieces, and output ends of the correction cylinders are upward and connected with first correction wheels; perpendicular to be equipped with the second pulling belt in the photovoltaic transfer chain direction of delivery, second pulling belt tip is equipped with the synchronizing wheel, be connected with on the second pulling belt and pull the frame, it corrects the wheel to pull to be equipped with the second on the frame.

10. The photovoltaic backplane junction box assembly apparatus of claim 1, wherein the glue application mechanism comprises a second transport module, the second transport module being provided with a plurality of glue dispensing heads.

Technical Field

The invention relates to the field of photovoltaic assembly equipment, in particular to photovoltaic backboard junction box assembly equipment.

Background

The photovoltaic junction box is a connecting device between a solar cell array formed by solar cell components and a solar charging control device, which is mainly used 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, generally comprises a shell and an electric wire, during assembly, due to the fact that wires are arranged on the junction boxes, batch conveying is messy, subsequent conveying and grabbing are difficult to execute, operation of the whole assembly equipment is affected, and in addition, since the photovoltaic panel is shown in fig. 15, the bus bar at the upper portion is in a vertical state, and after the junction box is installed, the bus bar needs to be passed through the junction box, and due to the soft nature of the bus bar, the bus bar is very easy to bend during insertion, and the bus bar needs to be bent to both sides after insertion, which is difficult to realize by a general bending mechanism.

Disclosure of Invention

In order to solve the technical problem, the invention provides photovoltaic backboard junction box assembling equipment which comprises a rack, wherein a junction box feeding mechanism is arranged at the lower part of the rack, a photovoltaic board conveying line is arranged at the upper part of the junction box feeding mechanism, a grabbing assembling mechanism and a gluing mechanism are arranged at the upper part of the photovoltaic board conveying line, and a correcting device is arranged at the periphery of the photovoltaic conveying line;

the rack is also provided with a junction box aligning mechanism which is used for correcting the position of the junction box;

the grabbing and assembling mechanism is used for grabbing the product onto the photovoltaic back plate and inserting the bus bar on the photovoltaic back plate into the junction box.

Preferably, the grabbing and assembling mechanism comprises a first conveying module, two groups of first lifting mechanisms and a second lifting mechanism located between the first lifting mechanisms are arranged on the first conveying module, a pressing cylinder is arranged on the first lifting mechanism, the output end of the pressing cylinder is connected with a first clamping jaw cylinder, the first clamping jaw cylinder is used for grabbing a lower cover of the junction box, the output end of the pressing cylinder is further connected with a Z-shaped plate, a second clamping jaw cylinder is arranged at the tail end of the Z-shaped plate, and the second clamping jaw cylinder is used for grabbing wires of the junction box; and a third clamping jaw cylinder is arranged at the lower part of the Z-shaped plate, and the output end of the third clamping jaw cylinder extends between the clamping jaws of the first clamping jaw cylinder.

Preferably, a bus bar clamping cylinder is further arranged on the first lifting mechanism, clamping pieces are symmetrically arranged at the output end of the bus bar clamping cylinder, a Y-shaped groove is formed in the end portion of each clamping piece, and each clamping piece extends to the lower portion of the first clamping jaw cylinder.

Preferably, the output end of the third clamping jaw air cylinder is connected with two groups of inclined arms, and the tail ends of the inclined arms are provided with vertical parts.

Preferably, terminal box feed mechanism includes that two sets of vertical transfer chain and the mechanism that snatchs that is located upper portion, vertical transfer chain tip is equipped with horizontal transfer chain, be equipped with the carrier on the horizontal transfer chain, horizontal transfer chain both ends are equipped with the transmission pole, the transmission pole stretch in between the horizontal transfer chain, the transmission pole tip is equipped with power unit, power unit with vertical transfer chain connects.

Preferably, power unit includes the pivot, the pivot tip is equipped with driving motor, the pivot other end is equipped with first synchronizing wheel, be connected with the synchronizing chain on the first synchronizing wheel, the inside interior rack that is equipped with of synchronizing chain, the transfer link tip is equipped with drive gear, drive gear with the meshing of interior rack.

Preferably, the carrier includes the support plate, be equipped with two sets of vertical first card strips and two sets of second card strips that set up on the support plate, the relative one side of first card strip is equipped with first bayonet socket, and the opposite side is equipped with the second bayonet socket, on the second card strip with be equipped with the third bayonet socket on the position of second bayonet socket one side.

Preferably, the terminal box aligning mechanism includes the bottom plate, be equipped with the profile modeling piece on the bottom plate, the profile modeling piece both sides are equipped with the adjustment subassembly, the adjustment subassembly is including the push cylinder that is located the tip, the wedge that is located the other end and the biax cylinder that is located the bottom, biax cylinder output is connected with the fixture block, be equipped with the pinch roller on the fixture block, biax cylinder upper portion is equipped with places the board, the pinch roller is located places the board side, and is higher than place the board.

Preferably, the correcting device comprises a pulling rotating shaft positioned at the end part of the photovoltaic panel conveying line, first pulling belts are arranged at two ends of the pulling rotating shaft, a servo motor is arranged in the middle of the pulling rotating shaft, clamping pieces are respectively arranged on the pulling belts, a correcting cylinder is arranged on each clamping piece, and the output end of each correcting cylinder is upward and is connected with a first correcting wheel; perpendicular to be equipped with the second pulling belt in the photovoltaic transfer chain direction of delivery, second pulling belt tip is equipped with the second synchronizing wheel, be connected with on the second pulling belt and pull the frame, it corrects the wheel to pull to be equipped with the second on the frame.

Preferably, the gluing mechanism comprises a second conveying module, and the second conveying module is provided with a plurality of glue dispensing heads.

The photovoltaic backboard junction box assembly provided by the invention has the following beneficial effects: 1. the equipment can automatically feed photovoltaic panels and junction boxes, can prevent carriers of the junction boxes from being fixed well, and can grasp products in order; 2. the junction box cover body is accurately grabbed by the grabbing and assembling mechanism through the special design, the junction box cover body is inserted into the bus bar on the photovoltaic panel, the bus bar is not bent in the inserting and assembling process, the inserting and assembling are accurate, the bus bar can be bent after the junction box is assembled, and the preset requirement is met.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a grasping and assembling mechanism according to the present invention;

FIG. 3 is a schematic view of the connection to the first lift mechanism of the present invention;

FIG. 4 is a schematic view of the connection to the first lift mechanism of the present invention;

FIG. 5 is a schematic view of a bus bar-holding cylinder of the present invention;

FIG. 6 is a schematic view of a third jaw cylinder of the present invention;

FIG. 7 is a schematic view of a junction box loading mechanism of the present invention;

FIG. 8 is a partial schematic view of a terminal block loading mechanism of the present invention;

FIG. 9 is a schematic view of a carrier according to the present invention;

FIG. 10 is a schematic view of an orthotic device according to the present invention;

FIG. 11 is a schematic view of the attachment of a second pull strap of the present invention;

FIG. 12 is a schematic view of a terminal box alignment mechanism of the present invention;

FIG. 13 is a schematic view of an adjustment assembly of the present invention;

FIG. 14 is a schematic view of a glue application mechanism of the present invention;

FIG. 15 is a schematic view of a photovoltaic panel of the present invention;

wherein, 1, a frame; 2. a junction box feeding mechanism; 3. a photovoltaic panel conveying line; 4. a grabbing and assembling mechanism; 5. a gluing mechanism; 6. a corrective device; 7. a junction box alignment mechanism; 8. a first conveying module; 9. a first lifting mechanism; 10. a second lifting mechanism; 11. pressing down the air cylinder; 12. a first jaw cylinder; 13. a Z-shaped plate; 14. a second jaw cylinder; 15. a three-jaw cylinder; 16. a busbar-holding cylinder; 17. a clamping sheet; 18. a Y-shaped groove; 19. a tilt arm; 20. a vertical portion; 21. a longitudinal conveyor line; 22. a transverse conveying line; 23. a carrier; 24. a transmission rod; 25. a rotating shaft; 26. a drive motor; 27. a first synchronizing wheel; 28. a synchronization chain; 29. a carrier plate; 30. a first clip strip; 31. a second card strip; 32. a first bayonet; 33. a second bayonet; 34. a third bayonet; 35. a contour block; 36. a push cylinder; 37. a wedge block; 38. a double-shaft cylinder; 39. a clamping block; 40. a pinch roller; 41. placing the plate; 42. pulling the rotating shaft; 43. a first pull strap; 44. a servo motor; 45. a clip; 46. a first correction wheel; 47. a second pull strap; 48. a second synchronizing wheel; 49. pulling the frame; 50. a second correction wheel; 51. a second conveying module; 52. dispensing a glue head; 53. and (4) a grabbing mechanism.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1, the invention provides a photovoltaic backplane junction box assembling device, which comprises a frame 1, wherein a junction box feeding mechanism 2 is arranged at the lower part of the frame 1, a photovoltaic panel conveying line 3 is arranged at the upper part of the junction box feeding mechanism 2, a grabbing assembling mechanism 4 and a gluing mechanism 5 are arranged at the upper part of the photovoltaic panel conveying line 3, a correcting device 6 is arranged around the photovoltaic conveying line, the photovoltaic panel conveying line 3 penetrates through the whole frame 1 and is vertical to the movement direction of the junction box feeding mechanism 2, and the operation mode is as follows: the photovoltaic board is carried to frame 1 through photovoltaic board transfer chain 3 on to adjust the photovoltaic board through orthotic devices 6, prevent crooked, later will load full terminal box through terminal box feed mechanism 2 and send to snatching equipment mechanism 4 department at carrier 23, snatch through snatching equipment mechanism 4, simultaneously, the rubber coating mechanism 5 of opposite side conveys through the module and glues on photovoltaic board upper portion, as shown in figure 14, snatch mechanism 53 after the point is glued and send the terminal box to busbar department, push down to insert and merge the equipment and finish, photovoltaic board is sent out along the photovoltaic transfer chain afterwards.

Specifically, firstly, the photovoltaic panel is conveyed through the photovoltaic panel conveying line 3, the photovoltaic panel conveying line 3 passes through a plurality of conveying lines commonly used in the prior art, but passes through the whole equipment, so that direct conveying is facilitated, and in order to ensure that the photovoltaic panel is prevented from being skewed after being input, the photovoltaic panel is corrected through the correcting device 6, as shown in fig. 10-11, the correcting device 6 comprises a pulling rotating shaft 42 positioned at the end part of the photovoltaic panel conveying line 3, first pulling belts 43 are arranged at two ends of the pulling rotating shaft 42, a servo motor 44 is arranged in the middle of the pulling rotating shaft, clamping pieces 45 are respectively arranged on the pulling belts, correcting cylinders are arranged on the clamping pieces 45, and the output ends of the correcting cylinders are upward and connected with first; a second pulling belt 47 is arranged in the direction perpendicular to the conveying direction of the photovoltaic conveying line, a second synchronizing wheel 48 is arranged at the end of the second pulling belt 47, a pulling frame 49 is connected to the second pulling belt 47, a second correcting wheel 50 is arranged on the pulling frame 49, the position of the photovoltaic panel can be adjusted by arranging the pulling belts in the horizontal and longitudinal directions, namely the photovoltaic panel is horizontal, when the first correcting wheel 46 can be aligned to the edge of the photovoltaic panel and pulled by the first pulling belt 43 through stretching of the correcting cylinder, the correcting wheels on two sides can be synchronously driven to press the side edges of the photovoltaic panel to adjust the photovoltaic panel, similarly, the second pulling belt 47 in the longitudinal direction is circularly arranged, the belt moving directions of the two sides are reverse, the other two sides of the photovoltaic panel can be pressed by the second correcting wheel 50, and the second correcting wheel 50 is arranged on two sides of the long rod body, the photovoltaic panel is convenient to adjust.

After the position of photovoltaic board is just right, can drive rubber coating mechanism 5 and snatch equipment mechanism 4 at photovoltaic board surface rubber coating and snatch the terminal box simultaneously, specific saying so: the gluing mechanism 5 comprises a second conveying module 51, the second conveying module 51 is provided with a plurality of dispensing heads 52, the conveying modules related to the equipment are not provided with module assemblies in the prior art, so detailed description is omitted, the conveying modules can realize movement in three dimensions, namely the second conveying module 51 drives the dispensing heads 52 to move to the mounting position of the photovoltaic panel, the gluing is performed and then reset, the grabbing and assembling mechanism 4 works simultaneously, the grabbing and assembling mechanism 4 is used for grabbing a product onto the photovoltaic back panel, and bus bars on the photovoltaic back panel are inserted into the junction box.

Firstly, the junction box is delivered to the conveying module by the junction box feeding mechanism 2, as shown in fig. 7-9, the junction box feeding mechanism 2 includes two sets of longitudinal conveying lines 21 and a grabbing mechanism 53 located at the upper part, the grabbing mechanism 53 has the same structure as the grabbing assembly mechanism, only a third clamping jaw cylinder is reduced, the junction box is placed on the junction box aligning mechanism, a transverse conveying line 22 is arranged at the end part of the longitudinal conveying line 21, the carriers 23 are arranged on the transverse conveying line 22, the conveying rods 24 are arranged at two ends of the transverse conveying line 22, the conveying rods 24 extend between the transverse conveying lines 22, a power mechanism is arranged at the end part of the conveying rods 24, the power mechanism is connected with the longitudinal conveying line 21, one set of the longitudinal conveying lines 21 is used for loading the full carriers 23, and the other set is used for reflowing the empty carrier plates 29, switching between vertical and horizontal transfer chain is then realized through transmission pole 24, and transmission pole 24 sets up between horizontal transfer chain 22 to it is unanimous with the direction of transfer of vertical transfer chain 21, transmission pole 24 power unit includes pivot 25, pivot 25 tip is equipped with driving motor 26, the pivot 25 other end is equipped with first synchronizing wheel 27, be connected with synchronizing chain 28 on the first synchronizing wheel 27, the inside interior rack that is equipped with of synchronizing chain 28, the transfer pole tip is equipped with drive gear, drive gear with the meshing of interior rack is through the synchronous drive of driving motor 26 drive pivot 25 that vertical transfer chain 21 carried, so transmission pole 24's transmission is unanimous with vertical transfer chain 21 transmission rate to there is comparatively integrated power unit, and the structure is succinct.

The carrier 23 is conveyed by a conveying belt and a conveying rod, the carrier 23 comprises a carrier plate 29, two groups of vertically arranged first clamping strips 30 and two groups of second clamping strips 31 are arranged on the carrier plate 29, one side, opposite to the first clamping strips 30, of each first clamping strip is provided with a first bayonet 32, the other side of each first clamping strip is provided with a second bayonet 33, a third bayonet 34 is arranged on the position, on one side of each second bayonet 33, of each second clamping strip 31, each third bayonet 34 is C-shaped and is continuously vertically arranged, each junction box comprises an upper shell and a lower shell, electric wires are arranged on the lower shell, the third bayonet 34 is used for clamping the electric wires, the first bayonets 32 are used for limiting the upper shells, the first bayonets 32 slide out from the side edges of the first bayonets 32 when being grabbed, the side edges of the carrier plate 29 are provided with limiting air cylinders to limit. And the grabbing is realized by the grabbing and assembling mechanism 4:

specifically, the method comprises the following steps: as shown in fig. 2 to 4, the grabbing assembly mechanism 4 includes a first conveying module 8, two sets of first lifting mechanisms 9 and a second lifting mechanism 10 located between the first lifting mechanisms 9 are disposed on the first conveying module 8, both the first lifting mechanisms 9 and the second lifting mechanisms 10 are screw modules, and are defined as "first and second" for convenience of distinguishing, a down-pressure cylinder 11 is disposed on the first lifting mechanism 9, an output end of the down-pressure cylinder 11 is connected with a first clamping jaw cylinder 12, the first clamping jaw cylinder 12 is used for grabbing a lower cover of a junction box, as shown in fig. 6, an output end of the down-pressure cylinder 11 is further connected with a Z-shaped plate 13, a second clamping jaw cylinder 14 is disposed at a tail end of the Z-shaped plate 13, and the second clamping jaw cylinder 14 is used for grabbing electric wires of the junction box; the lower part of the Z-shaped plate 13 is provided with a third clamping jaw air cylinder 15, the output end of the third clamping jaw air cylinder 15 extends between the clamping jaws of the first clamping jaw air cylinder 12, the lower grabbing mechanism is driven by the first conveying module 8 to move along the rack 1, a product is grabbed from the upper part of the carrier 23 and moves to the upper part of the photovoltaic plate, the structure of the lower connection of the second lifting mechanism 10 is the same as that of the lower connection of the first lifting mechanism 9, only the Z-shaped plate 13 and the second clamping jaw air cylinder 14 are reduced, specifically, the shell is grabbed by the first clamping jaw air cylinder 12, meanwhile, the wire part is grabbed by the second clamping jaw air cylinder 14, the junction box can be fixed, the junction box is grabbed to the upper part of the photovoltaic plate by the first conveying module 8 and is aligned with the bus bar on the photovoltaic plate, the bus bar is ensured to be inserted on the junction box, and in order, as shown in fig. 5, the output end of the bus bar clamping cylinder 16 is symmetrically provided with clamping pieces 17, the end of each clamping piece 17 is provided with a Y-shaped groove 18, each clamping piece 17 extends to the lower part of the first clamping jaw cylinder 12, before the bus bar is pressed downwards, the clamping pieces 17 are controlled by the bus bar clamping cylinder 16 to clamp the bus bar, the two clamping pieces 17 are overlapped up and down, the vertical parts 20 of the symmetrical Y-shaped grooves 18 form a transverse groove, the bus bar is inserted between the two clamping pieces, when the whole pressing cylinder 11 drives the first clamping jaw cylinder 12 to press downwards, the Y-shaped grooves 18 are downwards along the bus bar, the bus bar can be prevented from being bent during the pressing downwards, the use is influenced, after the junction box is pressed onto the photovoltaic panel, the bus bar is pushed and bent towards two sides by the third clamping jaw cylinder 15, specifically, the output end of the third clamping jaw cylinder 15 is connected with two groups of inclined arms 19, and the tail end of the inclined arm 19 is provided with the vertical part, in a normal state, the inclined arm 19 extends between the first clamping jaws, the opening and closing direction of the inclined arm 19 is perpendicular to the opening and closing direction of the first clamping jaws, and when the third clamping jaw air cylinder 15 is started, the bus bar in the junction box is turned over towards two sides, so that the bus bar is pressed in the junction box.

In addition, because the position precision requirement of the equipment is high, a junction box aligning mechanism 7 is arranged before the junction box is placed on the photovoltaic panel, and the junction box aligning mechanism 7 is used for correcting the position of the junction box; specifically, the terminal box aligning mechanism 7 comprises a bottom plate, wherein a profiling block 35 is arranged on the bottom plate, the profiling block 35 is of a square structure and is used for correcting the position of an upper cover body, adjusting assemblies are arranged on two sides of the profiling block 35, each adjusting assembly comprises a push cylinder 36 located at an end part, a wedge block 37 located at the other end and a double-shaft cylinder 38 located at the bottom, the terminal box is pushed by the push cylinder 36, the direction of the output end of the double-shaft cylinder 38 arranged at the lower part is perpendicular to the telescopic direction of the push cylinder 36, when the push cylinder 36 is telescopic, the terminal box is pushed to the end part, the other two sides of the terminal box are pressed by the double-shaft cylinder 38 to adjust the positions of the two sides of the terminal box, specifically, a clamping block 39 is connected to the output end of the double-shaft cylinder 38, a pressing wheel 40 is arranged on, and is higher than the placing plate 41, the placing plate 41 is used for supporting the junction box, the clamping block 39 at the end part is a wedge-shaped surface, and the arc-shaped clamping of the junction box end part can be realized to limit the position.