CN212239510U

CN212239510U - Reflow soldering machine for soldering chip components

Info

Publication number: CN212239510U
Application number: CN202020831762.7U
Authority: CN
Inventors: 邹庭生
Original assignee: Shengzhou Futing Intelligent Control Technology Co ltd
Current assignee: Shengzhou Futing Intelligent Control Technology Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2020-12-29
Anticipated expiration: 2030-05-18

Abstract

The utility model discloses a reflow soldering machine is used in welding of paster components and parts relates to welding equipment, when aiming at solving the pivot and extrudeing to the PCB board, leads to the situation that the slope appears in the PCB board easily, influences the problem of welding quality, and its technical scheme main points are: be equipped with the delivery track that is used for bearing the weight of the PCB board in the organism, delivery track is used for carrying the PCB board from the input to the output displacement, the delivery track overcoat is equipped with two parallel arrangement's spacing, the both ends of adjacent spacing are equipped with the roll adjustment subassembly that is used for adjusting interval between two spacing, set up the return groove that sets up along the delivery track border on the opposite face of adjacent spacing, return shape inslot sliding connection has the mounting that is used for fixed PCB board, the mounting can be dismantled with delivery track and be connected. The utility model discloses a spacing frame carries out the centre gripping spacingly at the roll adjustment subassembly to the PCB board, and through the setting in mounting and return groove, can make the PCB board improve the stability of PCB board displacement, improve the welded quality between two mountings at the centre gripping.

Description

Reflow soldering machine for soldering chip components

Technical Field

The utility model relates to a welding equipment, more specifically say, it relates to a reflow soldering machine is used in welding of paster components and parts.

Background

Reflow soldering machines, also known as reflow soldering machines or "reflow ovens," are devices that reliably join surface mount components and PCB pads together through solder paste alloys by providing a heated environment that melts the solder paste.

The reflow welding machine consists of a control system (the control system adopts a PC + PLC + HM I (human-computer interface) mode), a hot air system (a supercharged forced circulation hot air heating system for returning air back and forth to prevent the influence of air flow in a temperature range and ensure the temperature uniformity and the heating efficiency, a special high-temperature motor with adjustable speed frequency conversion), a cold air system (a forced air cooling and water cooling structure and a cooling area with adjustable temperature display), a machine body and a transmission system.

Chinese patent publication No. CN208666407U discloses a conveyer for an interval adjustable reflow soldering machine, which has the technical essential that: including the organism of seting up input and output, be provided with the delivery track in the organism, the delivery track is put on the shelf and is equipped with the PCB board, be provided with the delivery support body in the organism, the delivery support body includes mutual just right first carriage and second carriage, first carriage and organism rigid coupling, the delivery track includes rotates the first conveying chain of being connected and rotates the second conveying chain of being connected with the second carriage with first carriage, still rotate on the organism and be connected with the regulation lead screw, it is perpendicular with delivery track's direction of transfer to adjust the lead screw, the both ends of adjusting the lead screw rotate relatively with organism and first carriage respectively and are connected, with second carriage threaded connection, reach the effect that can carry the PCB board of different models.

The technical problem of current reflow soldering machine can only operate the PCB board of a model has been solved in the above-mentioned scheme, and adopt the runner to extrude the PCB board in transportation process, be difficult for receiving the vibration of organism and drop, but when the runner extrudeed the PCB board, lead to the situation that the slope appears in the PCB board easily for lubricated soldering tin flows along the PCB board, influences components and parts welded quality.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a reflow soldering machine is used in welding of paster components and parts carries out the centre gripping to the PCB board through spacing frame under the effect of roll adjustment subassembly spacing, and through mounting sliding connection in returning the inslot, can make the PCB board improve the stability of PCB board displacement, improve the welded quality between two mountings at the centre gripping.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a paster components and parts welding is with reflow soldering machine, is including the organism that is equipped with input and output, be equipped with the delivery track that is used for bearing the weight of the PCB board in the organism, the delivery track is used for carrying the PCB board from the input to the output displacement, the delivery track overcoat is equipped with two parallel arrangement's spacing, and is adjacent spacing both ends are equipped with the roll adjustment subassembly that is used for adjusting interval between two spacing, and are adjacent set up the return groove that sets up along the delivery track border on spacing opposite face, sliding connection has the mounting that is used for fixed PCB board in the return groove, the mounting can be dismantled with the delivery track and be connected.

Through adopting above-mentioned technical scheme, establish the spacing outside the delivery track through two covers, carry on spacingly to the PCB board that lies in on the delivery track, setting through the roll adjustment subassembly, realize the regulation of interval between two spacing, be applicable to the PCB board of different specifications size and carry, and set up back the shape groove on the spacing, and mounting sliding connection returns the inslot in, make when welding components and parts on the PCB board, because the mounting centre gripping is passed through between two spacing at PCB board both ends, and slide along returning the shape groove through the mounting, the stability of PCB board reflow soldering in-process has been improved, improve components and parts reflow soldering's quality.

The utility model discloses further set up to: the conveying track comprises a plurality of supporting rods which are arranged in parallel, the supporting rods are adjacent to each other, an annular structure with gaps is formed by the mutual hinging of the supporting rods, the two ends of the machine body are rotatably connected with rotating assemblies used for driving the conveying track to move circularly, each rotating assembly comprises a driving motor which is rotatably connected with the machine body and drives the rotating shafts to rotate, the rotating shafts are fixedly connected with driving wheels, and limiting grooves used for containing the supporting rods are distributed in the peripheral wall of each driving wheel in an array mode.

Through adopting above-mentioned technical scheme, constitute the delivery track through a plurality of parallel arrangement and articulated vaulting pole each other, can play better supporting role to the PCB board while, make the inside thermal air that has of reflow soldering machine can contact with the PCB board, and then improve the welding efficiency of PCB board and components and parts, and through the setting of drive wheel and spacing groove, when making the stable rotation of axis of rotation, can drive a plurality of vaulting poles and carry out the displacement along the pay-off direction, improve the stationarity of carrying the track motion, and then improve reflow soldering's welding quality.

The utility model discloses further set up to: the middle part fixedly connected with of axis of rotation and the tangent support tube of a plurality of vaulting poles, array distribution has the arch of propping between adjacent vaulting pole on the periphery wall of support tube.

Through adopting above-mentioned technical scheme, through the setting of a supporting cylinder, play the supporting role to the middle part of vaulting pole to through bellied setting, the setting of spacing groove on the cooperation drive wheel improves the stability that the PCB board was carried.

The utility model discloses further set up to: the fixing piece is L-shaped, the horizontal end of the fixing piece is connected in the return groove in a sliding mode, and the vertical end of the fixing piece is embedded between the two support rods.

Through adopting above-mentioned technical scheme, because the mounting is L shape, and the horizontal end sliding connection and the returning groove of mounting, and its vertical end inlays between two bracing pieces, the people of being convenient for dismantle the mounting, and when making the track motion of carrying, can the efficient drive the PCB board between mounting and two mountings carry out the displacement, and play the guide effect through the returning groove to the transport of mounting and PCB board.

The utility model discloses further set up to: the cross-section of one side of the clip groove facing the adjacent limiting frame is provided with an arc-shaped guide groove, and one side of the fixing piece facing the limiting frame is rotatably connected with a ball positioned in the guide groove.

Through adopting above-mentioned technical scheme, because the shape inslot that returns is seted up the cross-section and is curved guide way, and rotate on the mounting and be connected with the ball that is located the guide way, can reduce the frictional force between mounting and the spacing, improve the stability of PCB board displacement.

The utility model discloses further set up to: the fixing piece is sunken towards the direction of the clip-shaped groove on one side of the adjacent limiting frame to form a concave part, and a distance exists between the horizontal height of the concave part and the highest point of the support rod.

Through adopting above-mentioned technical scheme, through setting up the concave part on the mounting for the PCB board can be placed between the concave part of two mountings, and the level of concave part and the top surface of vaulting pole make there is the clearance between PCB board and the vaulting pole, make the PCB board be heated more evenly, and reduce the influence that the PCB board received the vaulting pole, improve PCB board reflow soldering's stability.

The utility model discloses further set up to: the distance adjusting assembly comprises adjusting screws located at two ends of the machine body, threaded sections with opposite rotating directions at two ends are arranged on the adjusting screws, adjacent limiting frames are respectively in threaded connection with the threaded sections, and when the adjusting screws rotate, the two limiting frames are far away from or close to each other along the length direction of the adjusting screws.

Through adopting above-mentioned technical scheme, through adjusting screw goes up both ends and revolves to opposite screw thread section for when adjusting screw rotated, make between two spacing framves be close to each other or keep away from, can carry out the centre gripping to the PCB board of different specifications size, the people's of being convenient for regulation.

The utility model discloses further set up to: and adjacent guide rods penetrating through the limiting frames are connected between the limiting frames in a sliding manner, are positioned above the adjusting screw rods and are rotationally connected with the machine body.

By adopting the technical scheme, the guide rod penetrates through the two limiting frames and is in sliding connection with the limiting frames, so that the guide rod can guide the displacement of the limiting frames, and the sliding of the limiting frames is smoother and more stable.

To sum up, the utility model discloses following beneficial effect has:

establish the spacing outside the delivery track through two sets of, carry on spacingly to the PCB board that lies in on the delivery track, setting through the roll adjustment subassembly, realize the regulation of interval between two spacing, be applicable to the PCB board of different specifications size and carry, and set up back the shape groove on the spacing, and mounting sliding connection returns the inslot, make when the components and parts on the welding PCB board, because the mounting centre gripping is passed through at the PCB board both ends between two spacing, and slide along returning the shape groove through the mounting, the stability of PCB board reflow soldering in-process has been improved, improve components and parts reflow soldering's quality.

Drawings

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

FIG. 2 is a schematic structural view of a conveying track of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

FIG. 4 is an enlarged view of portion B of FIG. 2;

fig. 5 is a schematic structural diagram of the middle fixing member of the present invention.

In the figure: 1. a body; 2. a limiting frame; 3. a circular groove; 4. a fixing member; 5. a stay bar; 6. a rotating shaft; 7. a drive wheel; 8. a limiting groove; 9. a support cylinder; 10. a protrusion; 11. a guide groove; 12. a ball bearing; 13. a recess; 14. adjusting the screw rod; 15. a guide rod.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

The utility model provides a paster components and parts welding is with reflow soldering machine, as shown in fig. 1 and fig. 2, including the organism 1 that is equipped with input and output, install the delivery track that is used for bearing the weight of the PCB board through the bearing frame in the organism 1, the delivery track is hollow out construction, and the delivery track is used for carrying the PCB board from the input to the output displacement, the delivery track overcoat is equipped with two parallel arrangement's spacing 2, the both ends of adjacent spacing 2 are provided with the roll adjustment subassembly that is used for adjusting interval between two spacing 2, set up the shape groove 3 that returns that sets up along the delivery track border on the opposite face of adjacent spacing 2, sliding connection has the mounting 4 that is used for fixed PCB board in the shape groove 3 that returns, mounting 4 can be dismantled with the delivery track and be connected and be used for driving mounting 4 and delivery track synchronous displacement, and realize that.

As shown in fig. 2 and 3, the conveying track includes a plurality of support rods 5 arranged in parallel, adjacent support rods 5 are hinged to each other to form an annular structure with a gap, two ends of the frame are rotatably connected with a rotating assembly for driving the conveying track to move circularly, wherein the rotating component comprises a rotating shaft 6 which is connected with the frame in a rotating way and a driving motor which drives the rotating shaft 6 to rotate, the driving motor is arranged in the frame and is connected with the rotating shaft 6 in a transmission way through a chain wheel component to realize the uniform rotation of the rotating shaft 6, and the drive wheel 7 that two symmetries of axis of rotation 6 fixedly connected with set up, annular array distributes on the periphery wall of drive wheel 7 has a plurality of spacing grooves 8, and the cross-section of spacing groove 8 is the arc, and spacing groove 8 is used for holding the both ends head and the drive wheel 7 of vaulting pole 5 and is connected, when realizing that drive wheel 7 rotates, drives a plurality of vaulting poles 5 and carries out the displacement.

As shown in fig. 1, a supporting cylinder 9 tangent to the plurality of support rods 5 is sleeved in the middle of the rotating shaft 6, the outer peripheral wall of the supporting cylinder 9 is attached to the outer surface of the support rods 5, a plurality of protrusions 10 distributed in an array are bonded to the outer peripheral wall of the supporting cylinder 9, and the protrusions 10 are hemispherical and the arc-shaped surfaces of the protrusions 10 abut against the outer peripheral wall of the adjacent support rods 5.

As shown in fig. 4 and 5, the fixing member 4 is L-shaped, the horizontal end of the fixing member 4 is slidably connected in the loop groove 3, two arc grooves symmetrically arranged are formed on two sides of the vertical end of the fixing member 4 by cutting, so that the adjacent support rods 5 are embedded in the arc grooves, the vertical end of the fixing member 4 is embedded between the two support rods 5, the loop groove 3 is provided with a guide groove 11 with a curved cross section towards one side of the adjacent limit frame 2, the fixing member 4 is rotatably connected with a ball 12 located in the guide groove 11 towards one side of the limit frame 2, the fixing member 4 is recessed towards the loop groove 3 towards one side of the adjacent limit frame 2 to form a concave portion 13, and a space exists between the horizontal height of the concave portion 13 and the highest point of the support rod 5.

As shown in fig. 2, wherein, the distance adjusting assembly includes adjusting screw 14 located at two ends of the frame, one end of adjusting screw 14 passes through the frame 1 and is connected with the frame 1 in a rotating manner, and two adjacent adjusting screw 14 are connected through the transmission of the sprocket assembly, one end of one adjusting screw 14 is connected with a servo motor through a coupling joint, the adjusting screw 14 is provided with a thread section with two opposite rotating directions, two adjacent limiting frames 2 are respectively connected to the thread section in a thread manner, when adjusting screw 14 rotates, two limiting frames 2 are far away from or close to each other along the length direction of adjusting screw 14, and a guide rod 15 penetrating through limiting frames 2 is connected between adjacent limiting frames 2 in a sliding manner, and guide rod 15 is located above adjusting screw 14 and is connected with the frame in a rotating manner through a bearing.

The working process is as follows: placing a PCB board with soldering tin and a chip component on a conveying track between two limiting frames 2, then starting a servo motor to drive an adjusting screw 14 to rotate, wherein the adjusting screw 14 is provided with screw thread sections with two opposite rotating directions at two ends, and the limiting frames 2 are respectively in threaded connection with the two screw thread sections, so that the adjusting screw 14 drives the two limiting frames 2 to mutually approach, the adjusting screw is in sliding connection with the limiting frames 2 and is positioned above the adjusting screw 14, thereby guiding the displacement of the limiting frames 2, the displacement of the limiting frames 2 is more stable, as the opposite surfaces of the two limiting frames 2 are provided with return grooves 3, the horizontal end of a fixing piece 4 is in sliding connection in the return grooves 3, and the vertical end of the fixing piece 4 is clamped with two support rods 5, when the limiting frames 2 approach each other, the PCB board between the two limiting frames 2 is clamped, and a concave part 13 is formed on the fixing piece 4 in a concave way, when a user places a PCB, the two ends of the PCB can be placed in the concave part 13, the distance exists between the horizontal height of the concave part 13 and the highest point of the support rod 5, so that the distance exists between the PCB and the support rod 5, when the PCB is heated in the machine body 1, the PCB can be heated more uniformly, the influence of the shaking of the support rod 5 on the PCB is reduced, the welding quality of components is improved when the PCB and the surface-mounted components above the PCB are welded, then the driving motor is started to drive the rotating shaft 6 to rotate, because the conveying track is of a closed annular structure formed by sequentially hinging the support rods 5, the rotating shaft 6 is fixedly connected with the driving wheel 7, the limiting groove 8 for accommodating the support rods 5 is arranged on the driving wheel 7, when the rotating shaft 6 rotates, the plurality of support rods 5 can be efficiently driven to displace from the input end to the output end, and because the vertical end of the fixing part 4 is embedded between the two support rods 5 through the arc-shaped groove, thereby make mounting 4 along with vaulting pole 5 to the output displacement, and then drive the steady removal of PCB board, because set up guide way 11 in the return groove 3, and the horizontal end of mounting 4 rotates and is connected with ball 12 that is located guide way 11, reduce frictional force between mounting 4 and spacing 2, make mounting 4 along the stable slip of 1 length direction of organism under the effect of vaulting pole 5, improve the stability of PCB board displacement, improve reflow soldering machine to the welding quality of SMD components and parts.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a chip components and parts welding is with reflow soldering machine, is including organism (1) that is equipped with input and output, its characterized in that: be equipped with the delivery track who is used for bearing the weight of the PCB board in organism (1), the delivery track is used for carrying the PCB board from the input to the output displacement, the delivery track overcoat is equipped with two parallel arrangement's spacing (2), and is adjacent the both ends of spacing (2) are equipped with the roll adjustment subassembly that is used for adjusting interval between two spacing (2), and are adjacent set up return groove (3) that set up along the delivery track border on the opposite face of spacing (2), sliding connection has mounting (4) that are used for fixed PCB board in return groove (3), mounting (4) can be dismantled with the delivery track and be connected.

2. The reflow soldering machine for soldering a chip component according to claim 1, wherein: the delivery track includes a plurality of parallel arrangement's vaulting pole (5), and is adjacent articulated formation each other has gapped cyclic structure between vaulting pole (5), the both ends of organism (1) are rotated and are connected with the runner assembly who is used for driving delivery track cyclic motion, the runner assembly includes rotates with organism (1) and connects axis of rotation (6) and drive axis of rotation (6) pivoted driving motor, axis of rotation (6) fixedly connected with drive wheel (7), array distribution has spacing groove (8) that are used for holding vaulting pole (5) on the periphery wall of drive wheel (7).

3. The reflow soldering machine for soldering a chip component according to claim 2, wherein: the middle part of the rotating shaft (6) is fixedly connected with a supporting cylinder (9) tangent to the plurality of supporting rods (5), and bulges (10) abutting against the adjacent supporting rods (5) are distributed on the peripheral wall of the supporting cylinder (9) in an array mode.

4. The reflow soldering machine for soldering a chip component according to claim 2, wherein: the fixing piece (4) is L-shaped, the horizontal end of the fixing piece (4) is connected in the return groove (3) in a sliding mode, and the vertical end of the fixing piece (4) is embedded between the two support rods (5).

5. The reflow soldering machine for soldering a chip component according to claim 4, wherein: the cross-section of one side that returns groove (3) towards adjacent spacing frame (2) is seted up and is curved guide way (11), mounting (4) rotate towards one side of spacing frame (2) and are connected with ball (12) that are located guide way (11).

6. The reflow soldering machine for soldering a chip component according to claim 4, wherein: the fixing piece (4) is sunken towards the direction of the return groove (3) on one side of the adjacent limiting frame (2) to form a concave part (13), and a distance exists between the horizontal height of the concave part (13) and the highest point of the support rod (5).

7. The reflow soldering machine for soldering a chip component according to claim 1, wherein: the distance adjusting assembly comprises adjusting screws (14) located at two ends of the machine body (1), threaded sections with opposite rotating directions at two ends are arranged on the adjusting screws (14), the adjacent limiting frames (2) are respectively in threaded connection with the threaded sections, and when the adjusting screws (14) rotate, the two limiting frames (2) are far away from or close to each other along the length direction of the adjusting screws (14).

8. The reflow soldering machine for soldering a chip component according to claim 7, wherein: adjacent sliding connection has guide bar (15) that runs through spacing (2) between spacing (2), guide bar (15) are located the top of adjusting screw (14) and are connected with organism (1) rotation.