CN218476128U

CN218476128U - Circuit board mounting reflow soldering material conveying guide rail

Info

Publication number: CN218476128U
Application number: CN202221657696.1U
Authority: CN
Inventors: 吴斌; 王飞
Original assignee: Hefei Ruishida Electronic Technology Co ltd
Current assignee: Hefei Ruishida Electronic Technology Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2023-02-14
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses a circuit board mounting reflow soldering material conveying guide rail, which belongs to the technical field of circuit board production and comprises a supporting frame, wherein slide rails are arranged on four sides of the supporting frame, transmission assemblies are movably arranged at two ends of the supporting frame through an adjusting mechanism, a driving assembly is arranged between the two groups of transmission assemblies, and the driving assembly is movably arranged on the supporting frame through the adjusting mechanism; the adjusting mechanism comprises racks symmetrically arranged on the inner wall of the sliding rail and a sliding block slidably arranged in the sliding rail, the side surface of the sliding block is provided with teeth matched with the racks, and the center of the sliding block is in threaded connection with a fixing bolt; it can realize adjusting defeated material guide rail's in-service use length rapidly as required, and accommodation process is simple, only need change adaptation length in addition carry the chain can, the overall adjustment cost is lower, has reduced manufacturing cost, and whole application scope is wider simultaneously.

Description

Circuit board mounting reflow soldering material conveying guide rail

Technical Field

The utility model relates to a circuit board production technical field, more specifically say, relate to a circuit board pastes dress reflow soldering and defeated material guide rail.

Background

The reflow soldering technology is not unknown in the field of electronic manufacturing, components on various board cards used in computers are all soldered on a circuit board through the process, a heating circuit is arranged in the equipment, air or nitrogen is heated to a high enough temperature and then blown to the circuit board on which the components are stuck, and solder on two sides of the components is melted and then bonded with a mainboard. The process has the advantages that the temperature is easy to control, oxidation can be avoided in the welding process, the manufacturing cost is easy to control, and when the circuit board is subjected to reflow soldering, a material conveying guide rail is required to convey the circuit board into corresponding equipment; for example, chinese patent No. CN214815542U provides a reflow soldering material conveying guide rail for mounting large-sized multi-temperature-zone circuit boards, which can adjust the width of the material conveying guide rail as required, so that it can convey circuit boards of different specifications.

When the device is used, although the width of the conveying guide rail can be adjusted, the actual using length of the conveying guide rail cannot be adjusted, if the length is adjusted, the whole conveying production line needs to be replaced, the adjustment is troublesome, and the adjustment cost is high.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a defeated material guide rail of circuit board subsides dress reflow soldering, it can realize adjusting defeated material guide rail's in-service use length rapidly as required, and accommodation process is simple, moreover only need change adaptation length the transport chain can, the overall regulation cost is lower, has reduced manufacturing cost, whole application scope is wider simultaneously.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A reflow soldering material conveying guide rail for circuit board mounting comprises a supporting frame, wherein four side surfaces of the supporting frame are provided with slide rails, two ends of the supporting frame are movably provided with transmission assemblies through adjusting mechanisms, a driving assembly is arranged between the two groups of transmission assemblies, and the driving assembly is movably arranged on the supporting frame through the adjusting mechanisms;

the adjusting mechanism comprises racks symmetrically arranged on the inner wall of the sliding rail and a sliding block arranged inside the sliding rail in a sliding mode, the side face of the sliding block is provided with teeth matched with the racks, and the center of the sliding block is in threaded connection with a fixing bolt.

Furthermore, the transmission assembly comprises a transmission support which is slidably mounted on the supporting frame, the top end of the transmission support is rotatably connected with a driven wheel, and the bottom end of the transmission support is in threaded connection with a group of fixing bolts and the sliding block.

Furthermore, a first side limiting slide block is arranged on one side face, close to the slide block, of the transmission support, the first side limiting slide block is embedded into the slide rail in a sliding mode, the height of the first side limiting slide block is equal to the width of an opening of the slide rail, a first top limiting slide plate is arranged on the side face of the transmission support, and the first top limiting slide plate is embedded into the slide rail at the top in a sliding mode.

Furthermore, the driving assembly comprises a driving support which is slidably mounted on the sliding rail, guide wheels are symmetrically and rotatably connected to the top end of the driving support, driving wheels are mounted between the two guide wheels at the bottom end of the driving support, and two groups of fixing bolts and the sliding blocks are symmetrically arranged on two sides of the driving support.

Furthermore, a second side limiting slide block is arranged between the two slide blocks on the inner side surface of the driving support and is embedded into the slide rail in a sliding mode, the height of the second side limiting slide block is the same as the width of an opening of the slide rail, a second top limiting slide plate is arranged on the side surface of the driving support and is embedded into the slide rail at the top in a sliding mode.

Furthermore, a conveying chain for conveying the PCB is arranged between the two driven wheels, the two guide wheels and the driving wheel in a surrounding mode.

Furthermore, side seal plates used for plugging the two ends of the slide rail are symmetrically arranged at the two ends of the supporting frame.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

this scheme is provided with fixing bolt and slider to be provided with braced frame sliding connection from driving wheel and drive support, can adjust from the relative position of driving wheel and drive support when needing according to the length of conveying chain, and fix through fixing bolt and slider, set up tooth and rack simultaneously and carry out the joint, make fixed stable, relative movement can not take place, the equipment is all very simple with disassembling moreover, thereby can realize the regulation of defeated material guide rail in-service use length.

Drawings

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

FIG. 2 is a schematic view of the supporting frame structure of the present invention;

FIG. 3 is an enlarged view of part A of FIG. 2;

FIG. 4 is a schematic structural view of an adjusting mechanism of the present invention;

FIG. 5 is a schematic structural view of the transmission assembly of the present invention;

fig. 6 is a schematic structural view of the driving assembly of the present invention.

The reference numbers in the figures illustrate:

1. a support frame; 2. a slide rail; 3. a rack; 4. a transmission bracket; 5. a driven wheel; 6. a drive bracket; 7. a drive wheel; 8. a guide wheel; 9. fixing the bolt; 10. a slider; 11. teeth; 12. a first top limit slide plate; 13. a first side limiting slide block; 14. a second top limit sliding plate; 15. a second side limit slide block; 16. a conveying chain; 17. and (4) side sealing plates.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Example (b):

referring to fig. 1-6, a reflow soldering material conveying guide rail for circuit board mounting comprises a support frame 1, wherein four side surfaces of the support frame 1 are respectively provided with a slide rail 2, two ends of the support frame 1 are movably provided with transmission assemblies through adjusting mechanisms, a driving assembly is arranged between the two groups of transmission assemblies, and the driving assembly is movably arranged on the support frame 1 through the adjusting mechanisms;

the adjusting mechanism comprises racks 3 symmetrically arranged on the inner wall of the sliding rail 2 and a sliding block 10 slidably arranged in the sliding rail 2, the side surface of the sliding block 10 is provided with teeth 11 matched with the racks 3, and the center of the sliding block 10 is in threaded connection with a fixing bolt 9;

in actual use, the device can form parallel material conveying guide rails on two sides by utilizing two groups of symmetrical guide rails, a driving device is arranged between two groups of parallel driving assemblies and used for providing driving force, the driving device and other assemblies of the whole material conveying production line are assembled and installed, and a whole material conveying production line is formed and used for conveying the PCB.

Referring to fig. 1 and 5, the transmission assembly includes a transmission bracket 4 slidably mounted on the support frame 1, the top end of the transmission bracket 4 is rotatably connected with a driven wheel 5, the actual use length of the feeding guide rail can be limited, the actual use of the feeding guide rail is achieved between two driven wheels 5, meanwhile, the bottom end of the transmission bracket 4 is in threaded connection with a set of fixing bolts 9 and a slider 10, the transmission bracket is movably mounted on the support frame 1, and the position of the transmission bracket 4 can be fixed and moved by engaging and separating a rack 3 and teeth 11.

Referring to fig. 1 and 5, a first side limiting slider 13 is arranged on one side surface of the transmission support 4 close to the slider 10, the first side limiting slider 13 is embedded in the slide rail 2 in a sliding manner, meanwhile, the height of the first side limiting slider 13 is the same as the opening width of the slide rail 2, a first top limiting sliding plate 12 is arranged on the side surface of the transmission support 4, and the first top limiting sliding plate 12 is embedded in the slide rail 2 at the top in a sliding manner, so that the transmission support 4 is more stable when sliding horizontally on the support frame 1, and meanwhile, the transmission support cannot incline in the sliding process.

Referring to fig. 1 and 6, the driving assembly includes a driving bracket 6 slidably mounted on the sliding rail 2, the top end of the driving bracket 6 is symmetrically and rotatably connected with guide wheels 8, the bottom end of the driving bracket 6 is provided with a driving wheel 7 between the two guide wheels 8 and can be connected with a driving device to drive the device, meanwhile, two sets of fixing bolts 9 and sliders 10 are symmetrically arranged on two sides of the driving bracket 6 and can be movably mounted on the supporting frame 1, and the position of the driving bracket 6 can be fixed and moved by meshing and separating the rack 3 and the teeth 11.

Referring to fig. 1 and 6, a second side limiting slider 15 is arranged on the inner side surface of the driving support 6 between the two sliders 10, the second side limiting slider 15 is embedded in the sliding rail 2 in a sliding manner, meanwhile, the height of the second side limiting slider 15 is the same as the opening width of the sliding rail 2, a second top limiting sliding plate 14 is arranged on the side surface of the driving support 6, and the second top limiting sliding plate 14 is embedded in the sliding rail 2 at the top in a sliding manner, so that the driving support 6 is more stable when sliding horizontally on the supporting frame 1, and meanwhile, the driving support cannot incline in the sliding process.

Referring to fig. 1, a conveying chain 16 for conveying the PCB is installed around between two driven wheels 5, two guide wheels 8 and a driving wheel 7, and the driving wheel 7 drives the conveying chain 16 to move through the driving device, so as to convey the PCB.

Referring to fig. 1, side sealing plates 17 for sealing the two ends of the sliding rail 2 are symmetrically installed at the two ends of the supporting frame 1, so that the transmission bracket 4 and the driving bracket 6 are prevented from being separated from the two ends in the sliding process.

The working principle is as follows: in the actual use process, when adjustment is needed, the fixing bolt 9 can be loosened, so that a gap is generated between the sliding block 10 and the inner wall of the sliding rail 2, the teeth 11 and the rack 3 are gradually separated, after all the fixing bolts 9 and the sliding block 10 are loosened, the fixing bolt 9 is pushed to one side of the sliding rail 2, so that the teeth 11 and the rack 3 are completely separated, then the two driven wheels 5 are mutually close, so that the conveying chain 16 is loosened, the conveying chain 16 is detached, then the position of the driving bracket 6 is determined according to needs, the fixing bolt 9 is reversely screwed, so that the teeth 11 and the rack 3 are clamped again, so that the driving bracket 6 is fixed again, then the conveying chain 16 with the brand-new length can be assembled among the driven wheels 5, the guide wheels 8 and the driving wheels 7, the relative positions of the two driven wheels 5 are adjusted, and the fixing bolts 9 and the sliding blocks 10 are used for fixing, so that the conveying line with the brand-new length is formed.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a defeated material guide rail of circuit board subsides dress reflow soldering, includes braced frame (1), its characterized in that: four side surfaces of the supporting frame (1) are respectively provided with a sliding rail (2), two ends of the supporting frame (1) are movably provided with transmission assemblies through adjusting mechanisms, a driving assembly is arranged between the two groups of transmission assemblies, and the driving assembly is movably arranged on the supporting frame (1) through the adjusting mechanisms;

the adjusting mechanism comprises racks (3) symmetrically arranged on the inner wall of the sliding rail (2) and a sliding block (10) arranged inside the sliding rail (2) in a sliding mode, the side face of the sliding block (10) is provided with teeth (11) matched with the racks (3), and the center of the sliding block (10) is in threaded connection with a fixing bolt (9).

2. The feeding rail of claim 1, wherein: the transmission assembly comprises a transmission support (4) which is slidably mounted on the supporting frame (1), a driven wheel (5) is rotatably connected to the top end of the transmission support (4), and a group of fixing bolts (9) and the sliding block (10) are in threaded connection with the bottom end of the transmission support (4).

3. The feeding rail of claim 2, wherein: the transmission support (4) is being close to slider (10) side is provided with first side limit slider (13), first side limit slider (13) slide and imbed in inside slide rail (2), the height of first side limit slider (13) with the opening width of slide rail (2) is the same, transmission support (4) side is provided with first top limit slide (12), first top limit slide (12) slide and imbed in be located the top inside slide rail (2).

4. The feeding rail for reflow soldering of circuit board mounting as claimed in claim 2, wherein: the driving assembly comprises a driving support (6) which is arranged on the sliding rail (2) in a sliding mode, guide wheels (8) are symmetrically and rotatably connected to the top end of the driving support (6), two driving wheels (7) are arranged between the guide wheels (8) at the bottom end of the driving support (6), and two groups of fixing bolts (9) and sliding blocks (10) are symmetrically arranged on two sides of the driving support (6).

5. The feeding rail of claim 4, wherein: the inner side face of the driving support (6) is provided with a second side limiting sliding block (15) between the two sliding blocks (10), the second side limiting sliding block (15) is embedded into the sliding rail (2) in a sliding mode, the height of the second side limiting sliding block (15) is equal to the opening width of the sliding rail (2), a second top limiting sliding plate (14) is arranged on the side face of the driving support (6), and the second top limiting sliding plate (14) is embedded into the sliding rail (2) located at the top in a sliding mode.

6. The feeding rail of claim 4, wherein: and a conveying chain (16) for conveying the PCB is arranged between the two driven wheels (5), the two guide wheels (8) and the driving wheel (7) in a surrounding manner.

7. The feeding rail of claim 1, wherein: and side sealing plates (17) used for plugging two ends of the sliding rail (2) are symmetrically arranged at two ends of the supporting frame (1).