CN219679150U - Auxiliary device for assembling circuit board - Google Patents

Abstract

The utility model provides an auxiliary device for assembling a circuit board, which comprises a support frame; the support frame is provided with a fixed conveying seat and a movable conveying seat, and conveying belts are arranged on the fixed conveying seat and the movable conveying seat in a transmission way; the support frame is further provided with an upper top driving device, the output end of the upper top driving device is connected with a rotary driving device, and the upper top driving device acts on the rotary driving device to enable the rotary driving device to be: the rotary driving device can move up and down relative to the supporting frame; the output end of the rotary driving device is connected with a clamping driving device; the clamping driving device is provided with two output ends which can move oppositely or reversely, and the two output ends are respectively connected with an upper clamping frame and a lower clamping frame. The utility model can realize the feeding, overturning and discharging work of the circuit board group, thus greatly reducing the workload of operators and effectively improving the production efficiency and quality.

Description

Auxiliary device for assembling circuit board

Technical Field

The utility model relates to the technical field of intelligent gas meter assembly, in particular to an auxiliary device for circuit board assembly.

Background

In order to meet the application requirements of real-time management and control, big data analysis and the like, the traditional IC card gas meter is gradually replaced by an intelligent gas meter, and the intelligent gas meter not only can collect and display data, but also can facilitate a gas company to monitor abnormal state information and manage gas consumption information.

In the production process of the intelligent gas meter, the processing and the assembly of a circuit board (PCBA board) can be involved, and the specific flow is as follows: the method comprises the steps of circuit board program downloading, function testing, welding spot short circuit, three-proofing spraying, high-temperature drying, high-temperature curing and PCBA board separation, wherein in order to improve efficiency, PCBA board groups are operated before PCBA board separation, and the PCBA board groups usually adopt 6 PCBA boards as a group (also called six jointed boards), so that batch operation is convenient. The working face operated by program downloading is taken as the front face, wherein the front face of the PCBA board set is processed by the circuit board program downloading, the function testing, the welding point short circuit and the PCBA board separating process, and the back face of the PCAB board set is required to be processed by three-proofing spraying, high-temperature drying and high-temperature curing. At present, because the special conveying structure of the PCBA board sets is not developed, the PCBA board sets are turned one by one manually to be operated in preparation for subsequent working procedures, so that the workload of operators can be increased, and meanwhile, the production efficiency can be influenced.

Disclosure of Invention

The utility model aims to overcome the problems in the prior art and provide an auxiliary device for assembling a circuit board, which can realize the feeding, overturning and discharging work of a circuit board group, thus greatly reducing the workload of operators and effectively improving the production efficiency and quality.

The utility model mainly aims at realizing the following technical scheme:

an auxiliary device for assembling a circuit board comprises a supporting frame;

the support frame is provided with a fixed conveying seat and a movable conveying seat which is arranged at intervals with the fixed conveying seat, and conveying belts are arranged on the fixed conveying seat and the movable conveying seat in a transmission way;

the device also comprises a conveyor belt driving assembly for driving the conveyor belt transmission;

the support frame is further provided with an upper top driving device, the output end of the upper top driving device is connected with a rotary driving device, and the upper top driving device acts on the rotary driving device to enable the rotary driving device to be: the rotary driving device can move up and down relative to the supporting frame;

the output end of the rotary driving device is connected with a clamping driving device, and the rotary driving device acts on the clamping driving device, so that: the clamping driving device can rotate relative to the supporting frame;

the clamping driving device is provided with two output ends which can move oppositely or reversely, and the two output ends are respectively connected with an upper clamping frame and a lower clamping frame;

when the lower clamping frame is positioned below the upper clamping frame, the lower clamping frame can be communicated with the conveying belt;

when the upper clamping frame is positioned below the lower clamping frame, the upper clamping frame can be communicated with the conveying belt.

Further, the upper clamping frame is provided with two upper clamping support legs which are arranged at intervals along the conveying direction of the conveying belt, and the lower clamping frame is provided with two lower clamping support legs which are arranged at intervals along the conveying direction of the conveying belt;

the fixed conveying seat is provided with a fixed yielding gap capable of yielding the upper clamping supporting leg and the lower clamping supporting leg, and the movable conveying seat is provided with a movable yielding gap capable of yielding the upper clamping supporting leg and the lower clamping supporting leg.

Further, the bottom end of the upper clamp supporting leg is provided with an outer convex upper clamp piece;

the top end of the lower clamp supporting leg is provided with a lower clamp piece which protrudes outwards and can be matched with the upper clamp piece.

Further, leg hollows are formed in the upper clamp supporting legs and the lower clamp supporting legs.

Further, a fixed mounting seat is also arranged on the support frame;

the device comprises a fixed conveying seat, a fixed mounting seat, an adjusting screw, an adjusting nut and a movable conveying seat, wherein the two ends of the adjusting screw are respectively rotatably arranged on the fixed conveying seat and the fixed mounting seat, the adjusting screw is sleeved with the adjusting nut matched with the adjusting screw, the adjusting nut is connected with the movable conveying seat, and the movable conveying seat is located in an area between the fixed conveying seat and the fixed mounting seat.

Further, two adjusting screw rods are arranged, and the two adjusting screw rods are respectively positioned at two end parts of the movable conveying seat;

one end parts of the two adjusting screw rods are respectively sleeved with a screw transmission gear, the two screw transmission gears are sleeved with a screw transmission belt, and the other end of any one of the two adjusting screw rods is connected with a screw handle.

Further, the device also comprises a guide rod, one end of the guide rod is installed on the fixed conveying seat, and the other end of the guide rod penetrates through the movable conveying seat to be installed on the fixed installation seat.

Further, the conveyor belt driving assembly comprises a fixed driving wheel assembly arranged on the fixed conveying seat and a movable driving wheel assembly arranged on the movable conveying seat;

the conveyor belt driving assembly further comprises a synchronous transmission rod and a conveyor belt driving motor for driving the synchronous transmission rod to rotate;

the synchronous transmission rod penetrates through the movable transmission seat, two ends of the synchronous transmission rod are respectively rotatably arranged on the fixed transmission seat and the fixed installation seat, and a fixed driving wheel matched with the fixed transmission wheel assembly and a movable driving wheel matched with the movable transmission wheel assembly are sleeved on the synchronous transmission rod;

the conveying belt of the fixed conveying seat is sleeved on the fixed driving wheel and the fixed driving wheel assembly, and the conveying belt of the movable conveying seat is sleeved on the movable driving wheel and the movable driving wheel assembly.

Further, the fixed driving wheel assembly and the movable driving wheel assembly comprise a limiting driving wheel, a guiding driving wheel and a tensioning driving wheel which can be matched with the conveying belt.

Further, the output end of the upper top driving device is connected with a rotary driving device through a driving device connecting frame;

the support frame is provided with a connecting frame guide cylinder;

the driving device connecting frame is provided with a connecting frame guide rod which can be matched with the connecting frame guide cylinder.

The utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the upper clamping frame and the lower clamping frame, the PCBA board group can be efficiently turned over to be jacked; through the arrangement of the conveying belt and the conveying belt driving assembly, the feeding and discharging work in the PCBA board set overturning process can be realized; thus, the workload of operators can be greatly reduced, and meanwhile, the production efficiency is effectively improved.

2. According to the utility model, the distance between the movable conveying seat and the fixed conveying seat can be adjusted according to the size of the PCBA board set through the arrangement of the fixed conveying seat, the movable conveying seat and the adjusting screw. Through the arrangement of the screw transmission gear and the screw transmission belt, only one adjusting screw is required to be rotated, and the two adjusting screws can be driven to synchronously rotate, so that the stability of the left-right movement of the movable transmission seat can be effectively 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 required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in 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 structural diagram of an embodiment of an auxiliary device for assembling a circuit board according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of an embodiment of an auxiliary device for assembling a circuit board according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of an embodiment of an auxiliary device for assembling a circuit board according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of an embodiment of an auxiliary device for assembling a circuit board according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of a specific embodiment of a clamping driving device in an auxiliary device for assembling a circuit board according to an embodiment of the present utility model;

fig. 6 is a schematic structural diagram of an embodiment of a clamping driving device in an auxiliary device for assembling a circuit board according to an embodiment of the present utility model.

Wherein, the spare part names that the reference numerals correspond to are as follows: 1. the device comprises a support frame, 2, a fixed conveying seat, 3, an adjusting screw, 4, an adjusting nut, 5, a movable conveying seat, 6, a conveying belt, 7, a fixed mounting seat, 8, an upper top driving device, 9, a rotary driving device, 10, a screw transmission gear, 11, a screw transmission belt, 12, a screw handle, 13, a synchronous transmission rod, 14, a conveying belt driving motor, 15, a limit driving wheel, 16, a guide driving wheel, 17, a fixed driving wheel, 18, a movable driving wheel, 19, a clamping driving device, 20, a fixed yielding gap, 21, a movable yielding gap, 22, an upper clamping frame, 23, a lower clamping frame, 24, an upper clamping leg, 25, a lower clamping leg, 26, a guide rod, 27, a leg hollowed-out, 28, a tensioning driving wheel, 29, a driving device connecting frame, 30, a connecting frame guide cylinder, 31, a connecting frame guide rod, 32, an upper clamping piece 33, a lower clamping piece, 34, an elastic cushion layer, 35, a clamping piece elastic piece, 36, a clamping piece guide rod, 37, a clamping piece guide hole, 38, a position sensor, 39, an interception driving device, 40, a lower clamping piece and a lower clamping piece 41.

Detailed Description

In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. 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, shall fall within the scope of the utility model.

Example 1

As shown in fig. 1 to 6, an auxiliary device for assembling a circuit board includes a supporting frame 1;

the support frame 1 is provided with a fixed conveying seat 2 and a movable conveying seat 5 which is arranged at intervals with the fixed conveying seat 2, and conveying belts 6 are arranged on the fixed conveying seat 2 and the movable conveying seat 5 in a transmission manner;

a conveyor belt driving assembly for driving the conveyor belt 6 to drive;

the support frame 1 is further provided with an upper top driving device 8, the output end of the upper top driving device 8 is connected with a rotary driving device 9, and the upper top driving device 8 acts on the rotary driving device 9, so that: the rotary driving device 9 can move up and down relative to the support frame 1;

the output of the rotary drive 9 is connected to a clamping drive 19, the rotary drive 9 acting on the clamping drive 19 such that: the clamping driving device 19 can rotate relative to the support frame 1;

the clamping driving device 19 is provided with two output ends which can move oppositely or reversely, and the two output ends are respectively connected with an upper clamping frame 22 and a lower clamping frame 23;

when the lower clamping frame 23 is positioned below the upper clamping frame 22, the lower clamping frame 23 can be communicated with the conveying belt 6;

when the upper clamping frame 22 is positioned below the lower clamping frame 23, the upper clamping frame 22 may be in communication with the conveyor belt 6.

In the present embodiment, the direction in which the conveyor belt 6 conveys is the front-rear direction. The upper top driving device 8 can be an air cylinder; the rotary driving device 9 can be a motor or a rotary cylinder; the clamping drive 19 may be a pneumatic claw cylinder or two cylinders arranged opposite to each other. The dimensions of the upper and lower clamping frames 22, 23 should also be compatible with the dimensions of the PCBA board group.

When the PCBA board assembly is in the initial position, the interval between the upper clamping frame 22 and the lower clamping frame 23 is expanded through the clamping driving device 19, and the interval can enable the PCBA board assembly to easily enter; the angle of the upper clamping frame 22 and the lower clamping frame 23 relative to the fixed conveying seat 2 and the movable conveying seat 5 is adjusted through the rotary driving device 9, so that: the lower clamping frame 23 is positioned below the upper clamping frame 22, and both the upper clamping frame 22 and the lower clamping frame 23 can be parallel to the conveying direction of the conveying belt 6; finally, the height positions of the upper clamping frame 22 and the lower clamping frame 23 are adjusted through the upper top driving device 8, so that: the lower clamping frame 23 can communicate with the conveyor belt 6.

Then, the PCBA board group is placed in the area between the movable conveyor base 5 and the fixed conveyor base 2, and the left and right ends of the PCBA board group are respectively located on the conveyor belt 6 of the movable conveyor base 5 and the conveyor belt 6 of the fixed conveyor base 2, and the conveyor belt driving assembly is started, so that the PCBA board group can be conveyed forward through the conveyor belt 6. When the PCBA board set enters a specific position between the upper clamping frame 22 and the lower clamping frame 23, the driving of the conveying belt 6 by the conveying belt driving assembly can be stopped, and at the same time, the clamping driving device 19 is started to start, so that the upper clamping frame 22 and the lower clamping frame 23 clamp the PCBA board set together, and then the rotary driving device 9 is started to turn over the positions of the upper clamping frame 22 and the lower clamping frame 23, so that: the upper clamping frame 22 is located below the lower clamping frame 23, and both the upper clamping frame 22 and the lower clamping frame 23 can be parallel to the conveying direction of the conveyor belt 6. The interval between the upper clamping frame 22 and the lower clamping frame 23 is expanded by the clamping driving device 19, and the interval can enable the PCBA board group to flow out easily. Finally, the height positions of the upper clamping frame 22 and the lower clamping frame 23 are adjusted through the upper top driving device 8, so that: the upper clamping frame 22 can communicate with the conveyor belt 6. At the same time, the start conveyor belt driving assembly starts the conveyor belt 6 to convey the turned PCBA board set to the next station.

To facilitate monitoring the position of the PCBA board groups, a position sensor 38 may be provided on the support frame 1. The position sensor 38 may be EX-14.

In order to avoid excessive movement of the PCBA board group, an interception driving device 39 may be provided on the supporting frame 1, an output end of the interception driving device 39 is connected with an interception board 40 located in an area between the fixed conveying seat 2 and the movable conveying seat 5, and the interception driving device 39 acts on the interception board 40, so that the interception board 40 can move up and down relative to the conveying belt 6. When the interception plate 40 is higher than the conveying surface of the conveyor belt 6, the PCBA plate set can be intercepted; when the intercept plate 40 is below the conveying surface of the conveyor belt 6, the PCBA board can be assembled.

Example 2

This embodiment is further defined on the basis of embodiment 1 as follows: the upper clamping frame 22 is provided with two upper clamping legs 24 which are arranged at intervals along the conveying direction of the conveying belt 6, and the lower clamping frame 23 is provided with two lower clamping legs 25 which are arranged at intervals along the conveying direction of the conveying belt 6;

the fixed conveying seat 2 is provided with a fixed yielding gap 20 capable of yielding an upper clamping leg 24 and a lower clamping leg 25, and the movable conveying seat 5 is provided with a movable yielding gap 21 capable of yielding the upper clamping leg 24 and the lower clamping leg 25.

In this embodiment, the fixing yielding gap 20 and the movable yielding gap 21 are arranged, so that the upper clamping frame 22 is conveniently communicated with the conveyor belt 6, and the lower clamping frame 23 is conveniently communicated with the conveyor belt 6.

To better secure the PCBA board groups for ease of flipping, the bottom ends of the upper clip legs 24 are preferably provided with a convex upper clip piece 32; the top end of the lower clip leg 25 is provided with a lower clip member 33 protruding outward and capable of being mated with the upper clip member 32.

In this embodiment, the upper clamping member 32 and the lower clamping member 33 can both clamp the PCBA board group under the driving action of the clamping driving device 19.

To avoid damaging the PCBA board set, the bottom end of the upper clip member 32 may be provided with an elastic cushion 34, and the lower clip member 33 may be connected with a lower clip 41 that may move up and down with respect to the lower clip member 33 through a clip elastic member 35. The clamp block elastic member 35 may be a compression spring.

In order to avoid unexpected deflection of the lower clamping block 41 in the up-and-down moving process, a clamping block guide rod 36 may be provided at the bottom end of the lower clamping block 41, and a clamping block guide hole 37 capable of accommodating the clamping block guide rod 36 and being matched with the clamping block guide rod 36 is provided on the lower clamping block 41.

In order to reduce the load, preferably, leg hollows 27 are provided on both the upper clip legs 24 and the lower clip legs 25.

Example 3

This embodiment is further defined on the basis of embodiment 1 as follows: a fixed mounting seat 7 is also mounted on the support frame 1;

still include adjusting screw 3, the both ends of adjusting screw 3 rotationally install respectively on fixed conveying seat 2 and fixed mounting seat 7, the cover is equipped with on adjusting screw 3 with adjusting screw 3 complex adjusting nut 4, adjusting nut 4 with movable conveying seat 5 links to each other, and movable conveying seat 5 is located the region between fixed conveying seat 2 and the fixed mounting seat 7.

In this embodiment, according to the size of the PCBA board set, the distance between the movable conveying seat 5 and the fixed conveying seat 2 can be adjusted by rotating the adjusting screw 3.

Preferably, two adjusting screws 3 are provided, and the two adjusting screws 3 are respectively positioned at two end parts of the movable conveying seat 5;

one end part of each of the two adjusting screw rods 3 is sleeved with a screw transmission gear 10, the two screw transmission gears 10 are sleeved with a screw transmission belt 11, and the other end of any adjusting screw rod 3 of the two adjusting screw rods 3 is connected with a screw handle 12.

In the embodiment, the screw handle 12 is arranged to facilitate the rotation of the adjusting screw 3; by setting the two adjusting screws 3, the stability of the left-right movement of the movable conveying seat 5 can be improved.

When the embodiment is applied, the screw handle 12 is rotated, and the two adjusting screws 3 can be driven to synchronously rotate through the arrangement of the screw transmission gear 10 and the screw transmission belt 11, so that the stability of the left-right movement of the movable transmission seat 5 can be effectively improved.

In order to improve the stability of the movement of the movable conveying seat 5, it is preferable to further include a guide rod 26, one end of the guide rod 26 is mounted on the fixed conveying seat 2, and the other end of the guide rod 26 penetrates through the movable conveying seat 5 and is mounted on the fixed mounting seat 7.

Example 4

This embodiment is further defined on the basis of embodiment 2 as follows: the conveyor belt driving assembly comprises a fixed transmission wheel assembly arranged on the fixed conveying seat 2 and a movable transmission wheel assembly arranged on the movable conveying seat 5;

the conveyor belt driving assembly further comprises a synchronous transmission rod 13 and a conveyor belt driving motor 14 for driving the synchronous transmission rod 13 to rotate;

the synchronous transmission rod 13 penetrates through the movable transmission seat 5, two ends of the synchronous transmission rod are respectively rotatably arranged on the fixed transmission seat 2 and the fixed installation seat 7, and a fixed driving wheel 17 matched with the fixed transmission wheel assembly and a movable driving wheel 18 matched with the movable transmission wheel assembly are sleeved on the synchronous transmission rod 13;

the conveying belt 6 of the fixed conveying seat 2 is sleeved on the fixed driving wheel 17 and the fixed driving wheel assembly, and the conveying belt 6 of the movable conveying seat 5 is sleeved on the movable driving wheel 18 and the movable driving wheel assembly.

In this embodiment, by setting the synchronous transmission lever 13, the fixed driving wheel 17 and the movable driving wheel 18, the transmission belt driving motor 14 only needs to drive the synchronous transmission lever 13 to rotate, so as to drive the transmission belt 6 on the fixed transmission seat 2 and the transmission belt 6 of the movable transmission seat 5 to perform synchronous transmission work.

Preferably, the fixed and movable drive wheel assemblies each comprise a limit drive wheel 15, a guide drive wheel 16 and a tensioning drive wheel 28 which can cooperate with the conveyor belt 6.

In this embodiment, as shown in fig. 2, taking the movable conveying seat 5 as an example, two movable yielding notches 21 divide the movable conveying seat 5 into three sections, correspondingly, three sets of limiting conveying wheel sets may be provided in the movable driving wheel assembly, each set of limiting conveying wheel sets is provided with two limiting conveying wheels 15, and the two limiting conveying wheels 15 are used for limiting the front and rear limiting positions of each section of conveying belt 6 on the movable conveying seat 5 capable of conveying. The two movable yielding gaps 21 are correspondingly arranged, two groups of guiding transmission wheel groups can be arranged in the movable transmission wheel assembly, each group of guiding transmission wheel groups can comprise two guiding transmission wheels 16 positioned below the movable yielding gap 21, and the conveying direction of the conveying belt 6 can be changed through the cooperation of the guiding transmission wheels 16 and the limiting conveying wheels 15, so that the region of the movable yielding gap 21 can be avoided. The tensioning transmission wheels 28 can be arranged according to the size of the movable transmission seat 5 and the number of the movable yielding notches 21, and as shown in fig. 2, five tensioning transmission wheels 28 are arranged.

For structural optimization, the movable active drive wheel 18 may be located directly below the guiding drive wheel set.

Example 5

This embodiment is further defined on the basis of embodiment 1 as follows: the output end of the upper top driving device 8 is connected with a rotary driving device 9 through a driving device connecting frame 29;

the support frame 1 is provided with a connecting frame guide cylinder 30;

the driving device connecting frame 29 is provided with a connecting frame guide rod 31 which can be matched with the connecting frame guide cylinder 30.

In this embodiment, the support frame 1 may be provided with two connecting frame guiding barrels 30, the two connecting frame guiding barrels 30 are respectively located at two sides of the rotation driving device 9, and correspondingly, two connecting frame guiding rods 31 respectively matched with the two connecting frame guiding barrels 30 are arranged on the driving device connecting frame 29.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims (10)

1. An auxiliary device for assembling a circuit board, which is characterized in that: comprises a supporting frame (1);

the support frame (1) is provided with a fixed conveying seat (2) and a movable conveying seat (5) which is arranged at intervals with the fixed conveying seat (2), and conveying belts (6) are arranged on the fixed conveying seat (2) and the movable conveying seat (5) in a transmission way;

the device also comprises a conveyor belt driving assembly for driving the conveyor belt (6) to drive;

still install on support frame (1) and go up top drive arrangement (8), go up the output of top drive arrangement (8) and be connected with rotary drive arrangement (9), go up top drive arrangement (8) and act on rotary drive arrangement (9) for: the rotary driving device (9) can move up and down relative to the support frame (1);

the output end of the rotary driving device (9) is connected with a clamping driving device (19), and the rotary driving device (9) acts on the clamping driving device (19) so that: the clamping driving device (19) can rotate relative to the supporting frame (1);

the clamping driving device (19) is provided with two output ends which can move oppositely or reversely, and the two output ends are respectively connected with an upper clamping frame (22) and a lower clamping frame (23);

when the lower clamping frame (23) is positioned below the upper clamping frame (22), the lower clamping frame (23) can be communicated with the conveying belt (6);

when the upper clamping frame (22) is positioned below the lower clamping frame (23), the upper clamping frame (22) can be communicated with the conveying belt (6).

2. The auxiliary device for assembling a circuit board according to claim 1, wherein:

the upper clamping frame (22) is provided with two upper clamping supporting legs (24) which are arranged at intervals along the conveying direction of the conveying belt (6), and the lower clamping frame (23) is provided with two lower clamping supporting legs (25) which are arranged at intervals along the conveying direction of the conveying belt (6);

the fixed conveying seat (2) is provided with a fixed yielding gap (20) capable of yielding the upper clamping supporting leg (24) and the lower clamping supporting leg (25), and the movable conveying seat (5) is provided with a movable yielding gap (21) capable of yielding the upper clamping supporting leg (24) and the lower clamping supporting leg (25).

3. The auxiliary device for assembling a circuit board according to claim 2, wherein: the bottom end of the upper clamping leg (24) is provided with an outer convex upper clamping piece (32);

the top end of the lower clamp supporting leg (25) is provided with a lower clamp piece (33) which is convex and can be matched with the upper clamp piece (32).

4. The auxiliary device for assembling a circuit board according to claim 2, wherein:

the upper clamp supporting leg (24) and the lower clamp supporting leg (25) are respectively provided with a supporting leg hollowed-out part (27).

5. The auxiliary device for assembling a circuit board according to claim 1, wherein:

a fixed mounting seat (7) is also arranged on the support frame (1);

still including adjusting lead screw (3), the both ends of adjusting lead screw (3) are rotationally installed respectively on fixed conveying seat (2) and fixed mounting seat (7), and the cover is equipped with on adjusting lead screw (3) with adjusting lead screw (3) complex adjusting nut (4), adjusting nut (4) with movable conveying seat (5) link to each other, and movable conveying seat (5) are located the region between fixed conveying seat (2) and fixed mounting seat (7).

6. The auxiliary device for assembling a circuit board according to claim 5, wherein: the two adjusting screws (3) are arranged, and the two adjusting screws (3) are respectively positioned at the two ends of the movable conveying seat (5);

one end part of each of the two adjusting screw rods (3) is sleeved with a screw transmission gear (10), each of the two screw transmission gears (10) is sleeved with a screw transmission belt (11), and the other end of any one of the two adjusting screw rods (3) is connected with a screw handle (12).

7. The auxiliary device for assembling a circuit board according to claim 5, wherein: the device also comprises a guide rod (26), one end of the guide rod (26) is installed on the fixed conveying seat (2), and the other end of the guide rod (26) penetrates through the movable conveying seat (5) and is installed on the fixed installation seat (7).

8. The auxiliary device for assembling a circuit board according to claim 1, wherein: the conveyor belt driving assembly comprises a fixed driving wheel assembly arranged on the fixed conveying seat (2) and a movable driving wheel assembly arranged on the movable conveying seat (5);

the conveyor belt driving assembly further comprises a synchronous transmission rod (13) and a conveyor belt driving motor (14) for driving the synchronous transmission rod (13) to rotate;

the synchronous transmission rod (13) penetrates through the movable transmission seat (5) and two ends of the synchronous transmission rod are respectively and rotatably arranged on the fixed transmission seat (2) and the fixed installation seat (7), and a fixed driving wheel (17) matched with the fixed transmission wheel assembly and a movable driving wheel (18) matched with the movable transmission wheel assembly are sleeved on the synchronous transmission rod (13);

the conveying belt (6) of the fixed conveying seat (2) is sleeved on the fixed driving wheel (17) and the fixed driving wheel component, and the conveying belt (6) of the movable conveying seat (5) is sleeved on the movable driving wheel (18) and the movable driving wheel component.

9. The auxiliary device for assembling a circuit board according to claim 8, wherein: the fixed driving wheel assembly and the movable driving wheel assembly comprise a limiting driving wheel (15), a guiding driving wheel (16) and a tensioning driving wheel (28) which can be matched with the conveying belt (6).

10. The auxiliary device for assembling a circuit board according to claim 1, wherein: the output end of the upper top driving device (8) is connected with a rotary driving device (9) through a driving device connecting frame (29);

a connecting frame guide cylinder (30) is arranged on the supporting frame (1);

a connecting frame guide rod (31) which can be matched with the connecting frame guide cylinder (30) is arranged on the driving device connecting frame (29).